Home / 18,309.63-25,242.85-14,545.29

Finding the Fourth Proportional to 18,309.63, 25,242.85 and 14,545.29

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Solution

The fourth proportional to 18,309.63, 25,242.85 and 14,545.29 is: 20,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.63 : 25,242.85 = 14,545.29 : x
  2. Step 2: Convert to fraction form
    18,309.63/25,242.85 = 14,545.29/x
  3. Step 3: Cross multiply
    18,309.63x = 25,242.85 × 14,545.29
  4. Step 4: Simplify right side
    18,309.63x = 367,164,411.10
  5. Step 5: Solve for x
    x = 367,164,411.10/18,309.63
  6. Step 6: Final answer
    x = 20,053.08

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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.