Home / 16,515.09-24,746.85-12,776.13

Finding the Fourth Proportional to 16,515.09, 24,746.85 and 12,776.13

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Solution

The fourth proportional to 16,515.09, 24,746.85 and 12,776.13 is: 19,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.09 : 24,746.85 = 12,776.13 : x
  2. Step 2: Convert to fraction form
    16,515.09/24,746.85 = 12,776.13/x
  3. Step 3: Cross multiply
    16,515.09x = 24,746.85 × 12,776.13
  4. Step 4: Simplify right side
    16,515.09x = 316,168,972.69
  5. Step 5: Solve for x
    x = 316,168,972.69/16,515.09
  6. Step 6: Final answer
    x = 19,144.25

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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.