Home / 15,440.79-23,159.80-4,195.72

Finding the Fourth Proportional to 15,440.79, 23,159.80 and 4,195.72

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Solution

The fourth proportional to 15,440.79, 23,159.80 and 4,195.72 is: 6,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.79 : 23,159.80 = 4,195.72 : x
  2. Step 2: Convert to fraction form
    15,440.79/23,159.80 = 4,195.72/x
  3. Step 3: Cross multiply
    15,440.79x = 23,159.80 × 4,195.72
  4. Step 4: Simplify right side
    15,440.79x = 97,172,036.06
  5. Step 5: Solve for x
    x = 97,172,036.06/15,440.79
  6. Step 6: Final answer
    x = 6,293.20

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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.