Home / 10,909.04-15,054.05-6,667.19

Finding the Fourth Proportional to 10,909.04, 15,054.05 and 6,667.19

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Solution

The fourth proportional to 10,909.04, 15,054.05 and 6,667.19 is: 9,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.04 : 15,054.05 = 6,667.19 : x
  2. Step 2: Convert to fraction form
    10,909.04/15,054.05 = 6,667.19/x
  3. Step 3: Cross multiply
    10,909.04x = 15,054.05 × 6,667.19
  4. Step 4: Simplify right side
    10,909.04x = 100,368,211.62
  5. Step 5: Solve for x
    x = 100,368,211.62/10,909.04
  6. Step 6: Final answer
    x = 9,200.46

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Double scale
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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.