Home / 18,285.55-25,235.15-10,328.51

Finding the Fourth Proportional to 18,285.55, 25,235.15 and 10,328.51

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Solution

The fourth proportional to 18,285.55, 25,235.15 and 10,328.51 is: 14,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.55 : 25,235.15 = 10,328.51 : x
  2. Step 2: Convert to fraction form
    18,285.55/25,235.15 = 10,328.51/x
  3. Step 3: Cross multiply
    18,285.55x = 25,235.15 × 10,328.51
  4. Step 4: Simplify right side
    18,285.55x = 260,641,510.57
  5. Step 5: Solve for x
    x = 260,641,510.57/18,285.55
  6. Step 6: Final answer
    x = 14,253.96

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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.