Home / 10,913.08-15,061.87-6,437.94

Finding the Fourth Proportional to 10,913.08, 15,061.87 and 6,437.94

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Solution

The fourth proportional to 10,913.08, 15,061.87 and 6,437.94 is: 8,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.08 : 15,061.87 = 6,437.94 : x
  2. Step 2: Convert to fraction form
    10,913.08/15,061.87 = 6,437.94/x
  3. Step 3: Cross multiply
    10,913.08x = 15,061.87 × 6,437.94
  4. Step 4: Simplify right side
    10,913.08x = 96,967,415.35
  5. Step 5: Solve for x
    x = 96,967,415.35/10,913.08
  6. Step 6: Final answer
    x = 8,885.43

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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.