Home / 10,630.95-14,670.36-5,915.13

Finding the Fourth Proportional to 10,630.95, 14,670.36 and 5,915.13

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Solution

The fourth proportional to 10,630.95, 14,670.36 and 5,915.13 is: 8,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.95 : 14,670.36 = 5,915.13 : x
  2. Step 2: Convert to fraction form
    10,630.95/14,670.36 = 5,915.13/x
  3. Step 3: Cross multiply
    10,630.95x = 14,670.36 × 5,915.13
  4. Step 4: Simplify right side
    10,630.95x = 86,777,086.55
  5. Step 5: Solve for x
    x = 86,777,086.55/10,630.95
  6. Step 6: Final answer
    x = 8,162.68

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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.