Home / 10,341.20-15,506.04-9,111.44

Finding the Fourth Proportional to 10,341.20, 15,506.04 and 9,111.44

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Solution

The fourth proportional to 10,341.20, 15,506.04 and 9,111.44 is: 13,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.20 : 15,506.04 = 9,111.44 : x
  2. Step 2: Convert to fraction form
    10,341.20/15,506.04 = 9,111.44/x
  3. Step 3: Cross multiply
    10,341.20x = 15,506.04 × 9,111.44
  4. Step 4: Simplify right side
    10,341.20x = 141,282,353.10
  5. Step 5: Solve for x
    x = 141,282,353.10/10,341.20
  6. Step 6: Final answer
    x = 13,662.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.