Home / 13,034.06-17,988.45-7,445.06

Finding the Fourth Proportional to 13,034.06, 17,988.45 and 7,445.06

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Solution

The fourth proportional to 13,034.06, 17,988.45 and 7,445.06 is: 10,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.06 : 17,988.45 = 7,445.06 : x
  2. Step 2: Convert to fraction form
    13,034.06/17,988.45 = 7,445.06/x
  3. Step 3: Cross multiply
    13,034.06x = 17,988.45 × 7,445.06
  4. Step 4: Simplify right side
    13,034.06x = 133,925,089.56
  5. Step 5: Solve for x
    x = 133,925,089.56/13,034.06
  6. Step 6: Final answer
    x = 10,275.01

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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.