Home / 17,866.40-26,798.45-5,386.84

Finding the Fourth Proportional to 17,866.40, 26,798.45 and 5,386.84

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Solution

The fourth proportional to 17,866.40, 26,798.45 and 5,386.84 is: 8,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.40 : 26,798.45 = 5,386.84 : x
  2. Step 2: Convert to fraction form
    17,866.40/26,798.45 = 5,386.84/x
  3. Step 3: Cross multiply
    17,866.40x = 26,798.45 × 5,386.84
  4. Step 4: Simplify right side
    17,866.40x = 144,358,868.47
  5. Step 5: Solve for x
    x = 144,358,868.47/17,866.40
  6. Step 6: Final answer
    x = 8,079.91

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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.