Home / 20,009.10-27,612.80-11,056.52

Finding the Fourth Proportional to 20,009.10, 27,612.80 and 11,056.52

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Solution

The fourth proportional to 20,009.10, 27,612.80 and 11,056.52 is: 15,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.10 : 27,612.80 = 11,056.52 : x
  2. Step 2: Convert to fraction form
    20,009.10/27,612.80 = 11,056.52/x
  3. Step 3: Cross multiply
    20,009.10x = 27,612.80 × 11,056.52
  4. Step 4: Simplify right side
    20,009.10x = 305,301,475.46
  5. Step 5: Solve for x
    x = 305,301,475.46/20,009.10
  6. Step 6: Final answer
    x = 15,258.13

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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.