Home / 15,579.30-23,368.95-13,635.30

Finding the Fourth Proportional to 15,579.30, 23,368.95 and 13,635.30

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Solution

The fourth proportional to 15,579.30, 23,368.95 and 13,635.30 is: 20,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.30 : 23,368.95 = 13,635.30 : x
  2. Step 2: Convert to fraction form
    15,579.30/23,368.95 = 13,635.30/x
  3. Step 3: Cross multiply
    15,579.30x = 23,368.95 × 13,635.30
  4. Step 4: Simplify right side
    15,579.30x = 318,642,643.94
  5. Step 5: Solve for x
    x = 318,642,643.94/15,579.30
  6. Step 6: Final answer
    x = 20,452.95

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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.