Home / 15,782.03-23,666.87-5,915.93

Finding the Fourth Proportional to 15,782.03, 23,666.87 and 5,915.93

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Solution

The fourth proportional to 15,782.03, 23,666.87 and 5,915.93 is: 8,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.03 : 23,666.87 = 5,915.93 : x
  2. Step 2: Convert to fraction form
    15,782.03/23,666.87 = 5,915.93/x
  3. Step 3: Cross multiply
    15,782.03x = 23,666.87 × 5,915.93
  4. Step 4: Simplify right side
    15,782.03x = 140,011,398.33
  5. Step 5: Solve for x
    x = 140,011,398.33/15,782.03
  6. Step 6: Final answer
    x = 8,871.57

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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.