Home / 15,151.80-22,727.70-9,611.40

Finding the Fourth Proportional to 15,151.80, 22,727.70 and 9,611.40

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Solution

The fourth proportional to 15,151.80, 22,727.70 and 9,611.40 is: 14,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.80 : 22,727.70 = 9,611.40 : x
  2. Step 2: Convert to fraction form
    15,151.80/22,727.70 = 9,611.40/x
  3. Step 3: Cross multiply
    15,151.80x = 22,727.70 × 9,611.40
  4. Step 4: Simplify right side
    15,151.80x = 218,445,015.78
  5. Step 5: Solve for x
    x = 218,445,015.78/15,151.80
  6. Step 6: Final answer
    x = 14,417.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.