Home / 15,317.60-22,822.32-14,311.68

Finding the Fourth Proportional to 15,317.60, 22,822.32 and 14,311.68

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Solution

The fourth proportional to 15,317.60, 22,822.32 and 14,311.68 is: 21,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.60 : 22,822.32 = 14,311.68 : x
  2. Step 2: Convert to fraction form
    15,317.60/22,822.32 = 14,311.68/x
  3. Step 3: Cross multiply
    15,317.60x = 22,822.32 × 14,311.68
  4. Step 4: Simplify right side
    15,317.60x = 326,625,740.70
  5. Step 5: Solve for x
    x = 326,625,740.70/15,317.60
  6. Step 6: Final answer
    x = 21,323.56

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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.