Home / 17,870.32-26,816.88-12,602.08

Finding the Fourth Proportional to 17,870.32, 26,816.88 and 12,602.08

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Solution

The fourth proportional to 17,870.32, 26,816.88 and 12,602.08 is: 18,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.32 : 26,816.88 = 12,602.08 : x
  2. Step 2: Convert to fraction form
    17,870.32/26,816.88 = 12,602.08/x
  3. Step 3: Cross multiply
    17,870.32x = 26,816.88 × 12,602.08
  4. Step 4: Simplify right side
    17,870.32x = 337,948,467.11
  5. Step 5: Solve for x
    x = 337,948,467.11/17,870.32
  6. Step 6: Final answer
    x = 18,911.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.