Home / 15,692.60-23,400.43-13,515.32

Finding the Fourth Proportional to 15,692.60, 23,400.43 and 13,515.32

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Solution

The fourth proportional to 15,692.60, 23,400.43 and 13,515.32 is: 20,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.60 : 23,400.43 = 13,515.32 : x
  2. Step 2: Convert to fraction form
    15,692.60/23,400.43 = 13,515.32/x
  3. Step 3: Cross multiply
    15,692.60x = 23,400.43 × 13,515.32
  4. Step 4: Simplify right side
    15,692.60x = 316,264,299.59
  5. Step 5: Solve for x
    x = 316,264,299.59/15,692.60
  6. Step 6: Final answer
    x = 20,153.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.