Home / 17,425.81-26,129.45-6,895.40

Finding the Fourth Proportional to 17,425.81, 26,129.45 and 6,895.40

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Solution

The fourth proportional to 17,425.81, 26,129.45 and 6,895.40 is: 10,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.81 : 26,129.45 = 6,895.40 : x
  2. Step 2: Convert to fraction form
    17,425.81/26,129.45 = 6,895.40/x
  3. Step 3: Cross multiply
    17,425.81x = 26,129.45 × 6,895.40
  4. Step 4: Simplify right side
    17,425.81x = 180,173,040.38
  5. Step 5: Solve for x
    x = 180,173,040.38/17,425.81
  6. Step 6: Final answer
    x = 10,339.44

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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.