Home / 11,011.04-15,177.46-9,018.08

Finding the Fourth Proportional to 11,011.04, 15,177.46 and 9,018.08

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Solution

The fourth proportional to 11,011.04, 15,177.46 and 9,018.08 is: 12,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.04 : 15,177.46 = 9,018.08 : x
  2. Step 2: Convert to fraction form
    11,011.04/15,177.46 = 9,018.08/x
  3. Step 3: Cross multiply
    11,011.04x = 15,177.46 × 9,018.08
  4. Step 4: Simplify right side
    11,011.04x = 136,871,548.48
  5. Step 5: Solve for x
    x = 136,871,548.48/11,011.04
  6. Step 6: Final answer
    x = 12,430.39

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Half 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.