Home / 15,363.60-23,045.40-13,808.40

Finding the Fourth Proportional to 15,363.60, 23,045.40 and 13,808.40

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Solution

The fourth proportional to 15,363.60, 23,045.40 and 13,808.40 is: 20,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.60 : 23,045.40 = 13,808.40 : x
  2. Step 2: Convert to fraction form
    15,363.60/23,045.40 = 13,808.40/x
  3. Step 3: Cross multiply
    15,363.60x = 23,045.40 × 13,808.40
  4. Step 4: Simplify right side
    15,363.60x = 318,220,101.36
  5. Step 5: Solve for x
    x = 318,220,101.36/15,363.60
  6. Step 6: Final answer
    x = 20,712.60

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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.