Home / 15,690.90-23,545.50-5,837.10

Finding the Fourth Proportional to 15,690.90, 23,545.50 and 5,837.10

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Solution

The fourth proportional to 15,690.90, 23,545.50 and 5,837.10 is: 8,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.90 : 23,545.50 = 5,837.10 : x
  2. Step 2: Convert to fraction form
    15,690.90/23,545.50 = 5,837.10/x
  3. Step 3: Cross multiply
    15,690.90x = 23,545.50 × 5,837.10
  4. Step 4: Simplify right side
    15,690.90x = 137,437,438.05
  5. Step 5: Solve for x
    x = 137,437,438.05/15,690.90
  6. Step 6: Final answer
    x = 8,759.05

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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.