Home / 10,615.24-14,617.80-10,385.20

Finding the Fourth Proportional to 10,615.24, 14,617.80 and 10,385.20

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Solution

The fourth proportional to 10,615.24, 14,617.80 and 10,385.20 is: 14,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.24 : 14,617.80 = 10,385.20 : x
  2. Step 2: Convert to fraction form
    10,615.24/14,617.80 = 10,385.20/x
  3. Step 3: Cross multiply
    10,615.24x = 14,617.80 × 10,385.20
  4. Step 4: Simplify right side
    10,615.24x = 151,808,776.56
  5. Step 5: Solve for x
    x = 151,808,776.56/10,615.24
  6. Step 6: Final answer
    x = 14,301.02

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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.