Home / 19,387.93-29,082.05-10,618.06

Finding the Fourth Proportional to 19,387.93, 29,082.05 and 10,618.06

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Solution

The fourth proportional to 19,387.93, 29,082.05 and 10,618.06 is: 15,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.93 : 29,082.05 = 10,618.06 : x
  2. Step 2: Convert to fraction form
    19,387.93/29,082.05 = 10,618.06/x
  3. Step 3: Cross multiply
    19,387.93x = 29,082.05 × 10,618.06
  4. Step 4: Simplify right side
    19,387.93x = 308,795,017.10
  5. Step 5: Solve for x
    x = 308,795,017.10/19,387.93
  6. Step 6: Final answer
    x = 15,927.18

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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.