Home / 18,358.16-25,344.75-12,088.76

Finding the Fourth Proportional to 18,358.16, 25,344.75 and 12,088.76

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Solution

The fourth proportional to 18,358.16, 25,344.75 and 12,088.76 is: 16,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.16 : 25,344.75 = 12,088.76 : x
  2. Step 2: Convert to fraction form
    18,358.16/25,344.75 = 12,088.76/x
  3. Step 3: Cross multiply
    18,358.16x = 25,344.75 × 12,088.76
  4. Step 4: Simplify right side
    18,358.16x = 306,386,600.01
  5. Step 5: Solve for x
    x = 306,386,600.01/18,358.16
  6. Step 6: Final answer
    x = 16,689.40

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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.