Home / 10,586.40-15,915.60-8,652.64

Finding the Fourth Proportional to 10,586.40, 15,915.60 and 8,652.64

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Solution

The fourth proportional to 10,586.40, 15,915.60 and 8,652.64 is: 13,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.40 : 15,915.60 = 8,652.64 : x
  2. Step 2: Convert to fraction form
    10,586.40/15,915.60 = 8,652.64/x
  3. Step 3: Cross multiply
    10,586.40x = 15,915.60 × 8,652.64
  4. Step 4: Simplify right side
    10,586.40x = 137,711,957.18
  5. Step 5: Solve for x
    x = 137,711,957.18/10,586.40
  6. Step 6: Final answer
    x = 13,008.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.