Home / 15,404.04-21,256.02-9,114.12

Finding the Fourth Proportional to 15,404.04, 21,256.02 and 9,114.12

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Solution

The fourth proportional to 15,404.04, 21,256.02 and 9,114.12 is: 12,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.04 : 21,256.02 = 9,114.12 : x
  2. Step 2: Convert to fraction form
    15,404.04/21,256.02 = 9,114.12/x
  3. Step 3: Cross multiply
    15,404.04x = 21,256.02 × 9,114.12
  4. Step 4: Simplify right side
    15,404.04x = 193,729,917.00
  5. Step 5: Solve for x
    x = 193,729,917.00/15,404.04
  6. Step 6: Final answer
    x = 12,576.57

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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.