Home / 10,376.61-15,565.77-4,374.42

Finding the Fourth Proportional to 10,376.61, 15,565.77 and 4,374.42

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Solution

The fourth proportional to 10,376.61, 15,565.77 and 4,374.42 is: 6,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.61 : 15,565.77 = 4,374.42 : x
  2. Step 2: Convert to fraction form
    10,376.61/15,565.77 = 4,374.42/x
  3. Step 3: Cross multiply
    10,376.61x = 15,565.77 × 4,374.42
  4. Step 4: Simplify right side
    10,376.61x = 68,091,215.60
  5. Step 5: Solve for x
    x = 68,091,215.60/10,376.61
  6. Step 6: Final answer
    x = 6,561.99

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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.