Home / 15,265.56-21,079.50-11,482.18

Finding the Fourth Proportional to 15,265.56, 21,079.50 and 11,482.18

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Solution

The fourth proportional to 15,265.56, 21,079.50 and 11,482.18 is: 15,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.56 : 21,079.50 = 11,482.18 : x
  2. Step 2: Convert to fraction form
    15,265.56/21,079.50 = 11,482.18/x
  3. Step 3: Cross multiply
    15,265.56x = 21,079.50 × 11,482.18
  4. Step 4: Simplify right side
    15,265.56x = 242,038,613.31
  5. Step 5: Solve for x
    x = 242,038,613.31/15,265.56
  6. Step 6: Final answer
    x = 15,855.21

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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.