Home / 18,031.28-24,899.00-11,328.53

Finding the Fourth Proportional to 18,031.28, 24,899.00 and 11,328.53

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Solution

The fourth proportional to 18,031.28, 24,899.00 and 11,328.53 is: 15,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.28 : 24,899.00 = 11,328.53 : x
  2. Step 2: Convert to fraction form
    18,031.28/24,899.00 = 11,328.53/x
  3. Step 3: Cross multiply
    18,031.28x = 24,899.00 × 11,328.53
  4. Step 4: Simplify right side
    18,031.28x = 282,068,887.33
  5. Step 5: Solve for x
    x = 282,068,887.33/18,031.28
  6. Step 6: Final answer
    x = 15,643.31

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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.