Home / 13,883.90-19,166.02-8,854.81

Finding the Fourth Proportional to 13,883.90, 19,166.02 and 8,854.81

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Solution

The fourth proportional to 13,883.90, 19,166.02 and 8,854.81 is: 12,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.90 : 19,166.02 = 8,854.81 : x
  2. Step 2: Convert to fraction form
    13,883.90/19,166.02 = 8,854.81/x
  3. Step 3: Cross multiply
    13,883.90x = 19,166.02 × 8,854.81
  4. Step 4: Simplify right side
    13,883.90x = 169,711,395.50
  5. Step 5: Solve for x
    x = 169,711,395.50/13,883.90
  6. Step 6: Final answer
    x = 12,223.62

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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.