Home / 18,660.81-25,751.93-10,277.31

Finding the Fourth Proportional to 18,660.81, 25,751.93 and 10,277.31

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Solution

The fourth proportional to 18,660.81, 25,751.93 and 10,277.31 is: 14,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.81 : 25,751.93 = 10,277.31 : x
  2. Step 2: Convert to fraction form
    18,660.81/25,751.93 = 10,277.31/x
  3. Step 3: Cross multiply
    18,660.81x = 25,751.93 × 10,277.31
  4. Step 4: Simplify right side
    18,660.81x = 264,660,567.71
  5. Step 5: Solve for x
    x = 264,660,567.71/18,660.81
  6. Step 6: Final answer
    x = 14,182.69

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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.