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Finding the Fourth Proportional to 15,389.31, 23,073.02 and 7,895.13

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Solution

The fourth proportional to 15,389.31, 23,073.02 and 7,895.13 is: 11,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.31 : 23,073.02 = 7,895.13 : x
  2. Step 2: Convert to fraction form
    15,389.31/23,073.02 = 7,895.13/x
  3. Step 3: Cross multiply
    15,389.31x = 23,073.02 × 7,895.13
  4. Step 4: Simplify right side
    15,389.31x = 182,164,492.39
  5. Step 5: Solve for x
    x = 182,164,492.39/15,389.31
  6. Step 6: Final answer
    x = 11,837.08

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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.