Home / 10,088.50-13,911.60-6,108.16

Finding the Fourth Proportional to 10,088.50, 13,911.60 and 6,108.16

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Solution

The fourth proportional to 10,088.50, 13,911.60 and 6,108.16 is: 8,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.50 : 13,911.60 = 6,108.16 : x
  2. Step 2: Convert to fraction form
    10,088.50/13,911.60 = 6,108.16/x
  3. Step 3: Cross multiply
    10,088.50x = 13,911.60 × 6,108.16
  4. Step 4: Simplify right side
    10,088.50x = 84,974,278.66
  5. Step 5: Solve for x
    x = 84,974,278.66/10,088.50
  6. Step 6: Final answer
    x = 8,422.89

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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.