Home / 13,903.93-19,172.05-8,860.17

Finding the Fourth Proportional to 13,903.93, 19,172.05 and 8,860.17

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Solution

The fourth proportional to 13,903.93, 19,172.05 and 8,860.17 is: 12,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.93 : 19,172.05 = 8,860.17 : x
  2. Step 2: Convert to fraction form
    13,903.93/19,172.05 = 8,860.17/x
  3. Step 3: Cross multiply
    13,903.93x = 19,172.05 × 8,860.17
  4. Step 4: Simplify right side
    13,903.93x = 169,867,572.53
  5. Step 5: Solve for x
    x = 169,867,572.53/13,903.93
  6. Step 6: Final answer
    x = 12,217.23

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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.