Home / 15,779.76-23,643.52-14,151.80

Finding the Fourth Proportional to 15,779.76, 23,643.52 and 14,151.80

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Solution

The fourth proportional to 15,779.76, 23,643.52 and 14,151.80 is: 21,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.76 : 23,643.52 = 14,151.80 : x
  2. Step 2: Convert to fraction form
    15,779.76/23,643.52 = 14,151.80/x
  3. Step 3: Cross multiply
    15,779.76x = 23,643.52 × 14,151.80
  4. Step 4: Simplify right side
    15,779.76x = 334,598,366.34
  5. Step 5: Solve for x
    x = 334,598,366.34/15,779.76
  6. Step 6: Final answer
    x = 21,204.27

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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.