Home / 14,890.34-20,547.54-8,174.90

Finding the Fourth Proportional to 14,890.34, 20,547.54 and 8,174.90

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Solution

The fourth proportional to 14,890.34, 20,547.54 and 8,174.90 is: 11,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.34 : 20,547.54 = 8,174.90 : x
  2. Step 2: Convert to fraction form
    14,890.34/20,547.54 = 8,174.90/x
  3. Step 3: Cross multiply
    14,890.34x = 20,547.54 × 8,174.90
  4. Step 4: Simplify right side
    14,890.34x = 167,974,084.75
  5. Step 5: Solve for x
    x = 167,974,084.75/14,890.34
  6. Step 6: Final answer
    x = 11,280.74

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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.