Home / 15,434.15-21,300.17-14,876.46

Finding the Fourth Proportional to 15,434.15, 21,300.17 and 14,876.46

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Solution

The fourth proportional to 15,434.15, 21,300.17 and 14,876.46 is: 20,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.15 : 21,300.17 = 14,876.46 : x
  2. Step 2: Convert to fraction form
    15,434.15/21,300.17 = 14,876.46/x
  3. Step 3: Cross multiply
    15,434.15x = 21,300.17 × 14,876.46
  4. Step 4: Simplify right side
    15,434.15x = 316,871,052.62
  5. Step 5: Solve for x
    x = 316,871,052.62/15,434.15
  6. Step 6: Final answer
    x = 20,530.52

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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.