Home / 15,875.89-23,810.79-7,976.29

Finding the Fourth Proportional to 15,875.89, 23,810.79 and 7,976.29

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Solution

The fourth proportional to 15,875.89, 23,810.79 and 7,976.29 is: 11,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.89 : 23,810.79 = 7,976.29 : x
  2. Step 2: Convert to fraction form
    15,875.89/23,810.79 = 7,976.29/x
  3. Step 3: Cross multiply
    15,875.89x = 23,810.79 × 7,976.29
  4. Step 4: Simplify right side
    15,875.89x = 189,921,766.17
  5. Step 5: Solve for x
    x = 189,921,766.17/15,875.89
  6. Step 6: Final answer
    x = 11,962.91

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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.