Home / 13,792.59-19,011.65-9,314.91

Finding the Fourth Proportional to 13,792.59, 19,011.65 and 9,314.91

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Solution

The fourth proportional to 13,792.59, 19,011.65 and 9,314.91 is: 12,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.59 : 19,011.65 = 9,314.91 : x
  2. Step 2: Convert to fraction form
    13,792.59/19,011.65 = 9,314.91/x
  3. Step 3: Cross multiply
    13,792.59x = 19,011.65 × 9,314.91
  4. Step 4: Simplify right side
    13,792.59x = 177,091,762.13
  5. Step 5: Solve for x
    x = 177,091,762.13/13,792.59
  6. Step 6: Final answer
    x = 12,839.63

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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.