Home / 17,919.43-26,875.80-4,772.93

Finding the Fourth Proportional to 17,919.43, 26,875.80 and 4,772.93

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Solution

The fourth proportional to 17,919.43, 26,875.80 and 4,772.93 is: 7,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.43 : 26,875.80 = 4,772.93 : x
  2. Step 2: Convert to fraction form
    17,919.43/26,875.80 = 4,772.93/x
  3. Step 3: Cross multiply
    17,919.43x = 26,875.80 × 4,772.93
  4. Step 4: Simplify right side
    17,919.43x = 128,276,177.72
  5. Step 5: Solve for x
    x = 128,276,177.72/17,919.43
  6. Step 6: Final answer
    x = 7,158.50

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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.