Home / 15,653.18-23,509.02-13,779.74

Finding the Fourth Proportional to 15,653.18, 23,509.02 and 13,779.74

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Solution

The fourth proportional to 15,653.18, 23,509.02 and 13,779.74 is: 20,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.18 : 23,509.02 = 13,779.74 : x
  2. Step 2: Convert to fraction form
    15,653.18/23,509.02 = 13,779.74/x
  3. Step 3: Cross multiply
    15,653.18x = 23,509.02 × 13,779.74
  4. Step 4: Simplify right side
    15,653.18x = 323,948,183.25
  5. Step 5: Solve for x
    x = 323,948,183.25/15,653.18
  6. Step 6: Final answer
    x = 20,695.36

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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.