Home / 14,255.08-19,654.02-9,210.76

Finding the Fourth Proportional to 14,255.08, 19,654.02 and 9,210.76

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Solution

The fourth proportional to 14,255.08, 19,654.02 and 9,210.76 is: 12,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.08 : 19,654.02 = 9,210.76 : x
  2. Step 2: Convert to fraction form
    14,255.08/19,654.02 = 9,210.76/x
  3. Step 3: Cross multiply
    14,255.08x = 19,654.02 × 9,210.76
  4. Step 4: Simplify right side
    14,255.08x = 181,028,461.26
  5. Step 5: Solve for x
    x = 181,028,461.26/14,255.08
  6. Step 6: Final answer
    x = 12,699.22

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Half 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.