Home / 10,224.40-15,298.20-9,302.80

Finding the Fourth Proportional to 10,224.40, 15,298.20 and 9,302.80

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Solution

The fourth proportional to 10,224.40, 15,298.20 and 9,302.80 is: 13,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.40 : 15,298.20 = 9,302.80 : x
  2. Step 2: Convert to fraction form
    10,224.40/15,298.20 = 9,302.80/x
  3. Step 3: Cross multiply
    10,224.40x = 15,298.20 × 9,302.80
  4. Step 4: Simplify right side
    10,224.40x = 142,316,094.96
  5. Step 5: Solve for x
    x = 142,316,094.96/10,224.40
  6. Step 6: Final answer
    x = 13,919.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.