Home / 17,931.70-26,897.55-4,786.10

Finding the Fourth Proportional to 17,931.70, 26,897.55 and 4,786.10

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Solution

The fourth proportional to 17,931.70, 26,897.55 and 4,786.10 is: 7,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.70 : 26,897.55 = 4,786.10 : x
  2. Step 2: Convert to fraction form
    17,931.70/26,897.55 = 4,786.10/x
  3. Step 3: Cross multiply
    17,931.70x = 26,897.55 × 4,786.10
  4. Step 4: Simplify right side
    17,931.70x = 128,734,364.06
  5. Step 5: Solve for x
    x = 128,734,364.06/17,931.70
  6. Step 6: Final answer
    x = 7,179.15

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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.