Home / 10,937.12-15,088.49-6,688.37

Finding the Fourth Proportional to 10,937.12, 15,088.49 and 6,688.37

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Solution

The fourth proportional to 10,937.12, 15,088.49 and 6,688.37 is: 9,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.12 : 15,088.49 = 6,688.37 : x
  2. Step 2: Convert to fraction form
    10,937.12/15,088.49 = 6,688.37/x
  3. Step 3: Cross multiply
    10,937.12x = 15,088.49 × 6,688.37
  4. Step 4: Simplify right side
    10,937.12x = 100,917,328.42
  5. Step 5: Solve for x
    x = 100,917,328.42/10,937.12
  6. Step 6: Final answer
    x = 9,227.05

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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.