Home / 17,669.12-26,486.40-7,288.32

Finding the Fourth Proportional to 17,669.12, 26,486.40 and 7,288.32

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Solution

The fourth proportional to 17,669.12, 26,486.40 and 7,288.32 is: 10,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,669.12 : 26,486.40 = 7,288.32 : x
  2. Step 2: Convert to fraction form
    17,669.12/26,486.40 = 7,288.32/x
  3. Step 3: Cross multiply
    17,669.12x = 26,486.40 × 7,288.32
  4. Step 4: Simplify right side
    17,669.12x = 193,041,358.85
  5. Step 5: Solve for x
    x = 193,041,358.85/17,669.12
  6. Step 6: Final answer
    x = 10,925.35

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1.5x scale

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.