Home / 16,515.46-22,788.48-9,345.70

Finding the Fourth Proportional to 16,515.46, 22,788.48 and 9,345.70

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Solution

The fourth proportional to 16,515.46, 22,788.48 and 9,345.70 is: 12,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.46 : 22,788.48 = 9,345.70 : x
  2. Step 2: Convert to fraction form
    16,515.46/22,788.48 = 9,345.70/x
  3. Step 3: Cross multiply
    16,515.46x = 22,788.48 × 9,345.70
  4. Step 4: Simplify right side
    16,515.46x = 212,974,297.54
  5. Step 5: Solve for x
    x = 212,974,297.54/16,515.46
  6. Step 6: Final answer
    x = 12,895.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.