Home / 15,630.98-23,449.82-8,970.55

Finding the Fourth Proportional to 15,630.98, 23,449.82 and 8,970.55

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Solution

The fourth proportional to 15,630.98, 23,449.82 and 8,970.55 is: 13,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.98 : 23,449.82 = 8,970.55 : x
  2. Step 2: Convert to fraction form
    15,630.98/23,449.82 = 8,970.55/x
  3. Step 3: Cross multiply
    15,630.98x = 23,449.82 × 8,970.55
  4. Step 4: Simplify right side
    15,630.98x = 210,357,729.78
  5. Step 5: Solve for x
    x = 210,357,729.78/15,630.98
  6. Step 6: Final answer
    x = 13,457.75

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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.