Home / 26,158.68-39,208.86-11,345.40

Finding the Fourth Proportional to 26,158.68, 39,208.86 and 11,345.40

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Solution

The fourth proportional to 26,158.68, 39,208.86 and 11,345.40 is: 17,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,158.68 : 39,208.86 = 11,345.40 : x
  2. Step 2: Convert to fraction form
    26,158.68/39,208.86 = 11,345.40/x
  3. Step 3: Cross multiply
    26,158.68x = 39,208.86 × 11,345.40
  4. Step 4: Simplify right side
    26,158.68x = 444,840,200.24
  5. Step 5: Solve for x
    x = 444,840,200.24/26,158.68
  6. Step 6: Final answer
    x = 17,005.45

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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.