Home / 12,430.08-17,154.72-9,280.80

Finding the Fourth Proportional to 12,430.08, 17,154.72 and 9,280.80

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Solution

The fourth proportional to 12,430.08, 17,154.72 and 9,280.80 is: 12,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.08 : 17,154.72 = 9,280.80 : x
  2. Step 2: Convert to fraction form
    12,430.08/17,154.72 = 9,280.80/x
  3. Step 3: Cross multiply
    12,430.08x = 17,154.72 × 9,280.80
  4. Step 4: Simplify right side
    12,430.08x = 159,209,525.38
  5. Step 5: Solve for x
    x = 159,209,525.38/12,430.08
  6. Step 6: Final answer
    x = 12,808.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.