Home / 18,038.28-24,891.16-10,079.40

Finding the Fourth Proportional to 18,038.28, 24,891.16 and 10,079.40

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Solution

The fourth proportional to 18,038.28, 24,891.16 and 10,079.40 is: 13,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.28 : 24,891.16 = 10,079.40 : x
  2. Step 2: Convert to fraction form
    18,038.28/24,891.16 = 10,079.40/x
  3. Step 3: Cross multiply
    18,038.28x = 24,891.16 × 10,079.40
  4. Step 4: Simplify right side
    18,038.28x = 250,887,958.10
  5. Step 5: Solve for x
    x = 250,887,958.10/18,038.28
  6. Step 6: Final answer
    x = 13,908.64

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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.