Home / 10,916.59-15,064.95-6,379.53

Finding the Fourth Proportional to 10,916.59, 15,064.95 and 6,379.53

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Solution

The fourth proportional to 10,916.59, 15,064.95 and 6,379.53 is: 8,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.59 : 15,064.95 = 6,379.53 : x
  2. Step 2: Convert to fraction form
    10,916.59/15,064.95 = 6,379.53/x
  3. Step 3: Cross multiply
    10,916.59x = 15,064.95 × 6,379.53
  4. Step 4: Simplify right side
    10,916.59x = 96,107,333.04
  5. Step 5: Solve for x
    x = 96,107,333.04/10,916.59
  6. Step 6: Final answer
    x = 8,803.79

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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.