Home / 13,336.86-18,403.29-7,368.17

Finding the Fourth Proportional to 13,336.86, 18,403.29 and 7,368.17

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Solution

The fourth proportional to 13,336.86, 18,403.29 and 7,368.17 is: 10,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.86 : 18,403.29 = 7,368.17 : x
  2. Step 2: Convert to fraction form
    13,336.86/18,403.29 = 7,368.17/x
  3. Step 3: Cross multiply
    13,336.86x = 18,403.29 × 7,368.17
  4. Step 4: Simplify right side
    13,336.86x = 135,598,569.28
  5. Step 5: Solve for x
    x = 135,598,569.28/13,336.86
  6. Step 6: Final answer
    x = 10,167.20

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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.