Home / 15,777.86-23,657.91-5,242.24

Finding the Fourth Proportional to 15,777.86, 23,657.91 and 5,242.24

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Solution

The fourth proportional to 15,777.86, 23,657.91 and 5,242.24 is: 7,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.86 : 23,657.91 = 5,242.24 : x
  2. Step 2: Convert to fraction form
    15,777.86/23,657.91 = 5,242.24/x
  3. Step 3: Cross multiply
    15,777.86x = 23,657.91 × 5,242.24
  4. Step 4: Simplify right side
    15,777.86x = 124,020,442.12
  5. Step 5: Solve for x
    x = 124,020,442.12/15,777.86
  6. Step 6: Final answer
    x = 7,860.41

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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.