Home / 13,363.04-18,440.83-7,394.35

Finding the Fourth Proportional to 13,363.04, 18,440.83 and 7,394.35

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Solution

The fourth proportional to 13,363.04, 18,440.83 and 7,394.35 is: 10,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.04 : 18,440.83 = 7,394.35 : x
  2. Step 2: Convert to fraction form
    13,363.04/18,440.83 = 7,394.35/x
  3. Step 3: Cross multiply
    13,363.04x = 18,440.83 × 7,394.35
  4. Step 4: Simplify right side
    13,363.04x = 136,357,951.31
  5. Step 5: Solve for x
    x = 136,357,951.31/13,363.04
  6. Step 6: Final answer
    x = 10,204.11

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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.