Home / 14,347.76-19,792.92-9,312.80

Finding the Fourth Proportional to 14,347.76, 19,792.92 and 9,312.80

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Solution

The fourth proportional to 14,347.76, 19,792.92 and 9,312.80 is: 12,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.76 : 19,792.92 = 9,312.80 : x
  2. Step 2: Convert to fraction form
    14,347.76/19,792.92 = 9,312.80/x
  3. Step 3: Cross multiply
    14,347.76x = 19,792.92 × 9,312.80
  4. Step 4: Simplify right side
    14,347.76x = 184,327,505.38
  5. Step 5: Solve for x
    x = 184,327,505.38/14,347.76
  6. Step 6: Final answer
    x = 12,847.13

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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.