Home / 18,685.04-28,026.75-4,644.77

Finding the Fourth Proportional to 18,685.04, 28,026.75 and 4,644.77

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Solution

The fourth proportional to 18,685.04, 28,026.75 and 4,644.77 is: 6,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.04 : 28,026.75 = 4,644.77 : x
  2. Step 2: Convert to fraction form
    18,685.04/28,026.75 = 4,644.77/x
  3. Step 3: Cross multiply
    18,685.04x = 28,026.75 × 4,644.77
  4. Step 4: Simplify right side
    18,685.04x = 130,177,807.60
  5. Step 5: Solve for x
    x = 130,177,807.60/18,685.04
  6. Step 6: Final answer
    x = 6,966.95

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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.