Home / 10,088.64-13,920.18-6,110.04

Finding the Fourth Proportional to 10,088.64, 13,920.18 and 6,110.04

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Solution

The fourth proportional to 10,088.64, 13,920.18 and 6,110.04 is: 8,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.64 : 13,920.18 = 6,110.04 : x
  2. Step 2: Convert to fraction form
    10,088.64/13,920.18 = 6,110.04/x
  3. Step 3: Cross multiply
    10,088.64x = 13,920.18 × 6,110.04
  4. Step 4: Simplify right side
    10,088.64x = 85,052,856.61
  5. Step 5: Solve for x
    x = 85,052,856.61/10,088.64
  6. Step 6: Final answer
    x = 8,430.56

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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.