Home / 10,915.74-15,064.86-6,200.28

Finding the Fourth Proportional to 10,915.74, 15,064.86 and 6,200.28

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Solution

The fourth proportional to 10,915.74, 15,064.86 and 6,200.28 is: 8,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.74 : 15,064.86 = 6,200.28 : x
  2. Step 2: Convert to fraction form
    10,915.74/15,064.86 = 6,200.28/x
  3. Step 3: Cross multiply
    10,915.74x = 15,064.86 × 6,200.28
  4. Step 4: Simplify right side
    10,915.74x = 93,406,350.16
  5. Step 5: Solve for x
    x = 93,406,350.16/10,915.74
  6. Step 6: Final answer
    x = 8,557.03

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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.