Home / 15,331.89-23,001.15-4,657.37

Finding the Fourth Proportional to 15,331.89, 23,001.15 and 4,657.37

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Solution

The fourth proportional to 15,331.89, 23,001.15 and 4,657.37 is: 6,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.89 : 23,001.15 = 4,657.37 : x
  2. Step 2: Convert to fraction form
    15,331.89/23,001.15 = 4,657.37/x
  3. Step 3: Cross multiply
    15,331.89x = 23,001.15 × 4,657.37
  4. Step 4: Simplify right side
    15,331.89x = 107,124,923.48
  5. Step 5: Solve for x
    x = 107,124,923.48/15,331.89
  6. Step 6: Final answer
    x = 6,987.07

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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.