Home / 15,152.26-20,909.73-14,705.14

Finding the Fourth Proportional to 15,152.26, 20,909.73 and 14,705.14

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Solution

The fourth proportional to 15,152.26, 20,909.73 and 14,705.14 is: 20,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.26 : 20,909.73 = 14,705.14 : x
  2. Step 2: Convert to fraction form
    15,152.26/20,909.73 = 14,705.14/x
  3. Step 3: Cross multiply
    15,152.26x = 20,909.73 × 14,705.14
  4. Step 4: Simplify right side
    15,152.26x = 307,480,507.01
  5. Step 5: Solve for x
    x = 307,480,507.01/15,152.26
  6. Step 6: Final answer
    x = 20,292.72

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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.