Home / 19,482.28-26,864.40-12,399.64

Finding the Fourth Proportional to 19,482.28, 26,864.40 and 12,399.64

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Solution

The fourth proportional to 19,482.28, 26,864.40 and 12,399.64 is: 17,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.28 : 26,864.40 = 12,399.64 : x
  2. Step 2: Convert to fraction form
    19,482.28/26,864.40 = 12,399.64/x
  3. Step 3: Cross multiply
    19,482.28x = 26,864.40 × 12,399.64
  4. Step 4: Simplify right side
    19,482.28x = 333,108,888.82
  5. Step 5: Solve for x
    x = 333,108,888.82/19,482.28
  6. Step 6: Final answer
    x = 17,098.04

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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.