Home / 10,522.02-15,779.89-8,668.54

Finding the Fourth Proportional to 10,522.02, 15,779.89 and 8,668.54

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Solution

The fourth proportional to 10,522.02, 15,779.89 and 8,668.54 is: 13,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.02 : 15,779.89 = 8,668.54 : x
  2. Step 2: Convert to fraction form
    10,522.02/15,779.89 = 8,668.54/x
  3. Step 3: Cross multiply
    10,522.02x = 15,779.89 × 8,668.54
  4. Step 4: Simplify right side
    10,522.02x = 136,788,607.66
  5. Step 5: Solve for x
    x = 136,788,607.66/10,522.02
  6. Step 6: Final answer
    x = 13,000.22

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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.