Home / 14,547.81-21,823.12-5,780.76

Finding the Fourth Proportional to 14,547.81, 21,823.12 and 5,780.76

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Solution

The fourth proportional to 14,547.81, 21,823.12 and 5,780.76 is: 8,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.81 : 21,823.12 = 5,780.76 : x
  2. Step 2: Convert to fraction form
    14,547.81/21,823.12 = 5,780.76/x
  3. Step 3: Cross multiply
    14,547.81x = 21,823.12 × 5,780.76
  4. Step 4: Simplify right side
    14,547.81x = 126,154,095.60
  5. Step 5: Solve for x
    x = 126,154,095.60/14,547.81
  6. Step 6: Final answer
    x = 8,671.69

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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.