Home / 14,257.66-19,688.18-8,889.26

Finding the Fourth Proportional to 14,257.66, 19,688.18 and 8,889.26

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Solution

The fourth proportional to 14,257.66, 19,688.18 and 8,889.26 is: 12,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.66 : 19,688.18 = 8,889.26 : x
  2. Step 2: Convert to fraction form
    14,257.66/19,688.18 = 8,889.26/x
  3. Step 3: Cross multiply
    14,257.66x = 19,688.18 × 8,889.26
  4. Step 4: Simplify right side
    14,257.66x = 175,013,350.95
  5. Step 5: Solve for x
    x = 175,013,350.95/14,257.66
  6. Step 6: Final answer
    x = 12,275.04

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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.