Home / 18,829.61-25,977.46-10,870.30

Finding the Fourth Proportional to 18,829.61, 25,977.46 and 10,870.30

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Solution

The fourth proportional to 18,829.61, 25,977.46 and 10,870.30 is: 14,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.61 : 25,977.46 = 10,870.30 : x
  2. Step 2: Convert to fraction form
    18,829.61/25,977.46 = 10,870.30/x
  3. Step 3: Cross multiply
    18,829.61x = 25,977.46 × 10,870.30
  4. Step 4: Simplify right side
    18,829.61x = 282,382,809.12
  5. Step 5: Solve for x
    x = 282,382,809.12/18,829.61
  6. Step 6: Final answer
    x = 14,996.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.