Home / 15,964.23-22,031.01-8,890.50

Finding the Fourth Proportional to 15,964.23, 22,031.01 and 8,890.50

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Solution

The fourth proportional to 15,964.23, 22,031.01 and 8,890.50 is: 12,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.23 : 22,031.01 = 8,890.50 : x
  2. Step 2: Convert to fraction form
    15,964.23/22,031.01 = 8,890.50/x
  3. Step 3: Cross multiply
    15,964.23x = 22,031.01 × 8,890.50
  4. Step 4: Simplify right side
    15,964.23x = 195,866,694.41
  5. Step 5: Solve for x
    x = 195,866,694.41/15,964.23
  6. Step 6: Final answer
    x = 12,269.10

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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.