Home / 11,012.32-15,176.01-10,809.87

Finding the Fourth Proportional to 11,012.32, 15,176.01 and 10,809.87

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Solution

The fourth proportional to 11,012.32, 15,176.01 and 10,809.87 is: 14,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.32 : 15,176.01 = 10,809.87 : x
  2. Step 2: Convert to fraction form
    11,012.32/15,176.01 = 10,809.87/x
  3. Step 3: Cross multiply
    11,012.32x = 15,176.01 × 10,809.87
  4. Step 4: Simplify right side
    11,012.32x = 164,050,565.29
  5. Step 5: Solve for x
    x = 164,050,565.29/11,012.32
  6. Step 6: Final answer
    x = 14,897.01

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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.