Home / 16,547.76-22,839.66-12,955.68

Finding the Fourth Proportional to 16,547.76, 22,839.66 and 12,955.68

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Solution

The fourth proportional to 16,547.76, 22,839.66 and 12,955.68 is: 17,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,547.76 : 22,839.66 = 12,955.68 : x
  2. Step 2: Convert to fraction form
    16,547.76/22,839.66 = 12,955.68/x
  3. Step 3: Cross multiply
    16,547.76x = 22,839.66 × 12,955.68
  4. Step 4: Simplify right side
    16,547.76x = 295,903,326.27
  5. Step 5: Solve for x
    x = 295,903,326.27/16,547.76
  6. Step 6: Final answer
    x = 17,881.78

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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.