Home / 15,032.48-20,751.21-9,370.05

Finding the Fourth Proportional to 15,032.48, 20,751.21 and 9,370.05

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Solution

The fourth proportional to 15,032.48, 20,751.21 and 9,370.05 is: 12,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.48 : 20,751.21 = 9,370.05 : x
  2. Step 2: Convert to fraction form
    15,032.48/20,751.21 = 9,370.05/x
  3. Step 3: Cross multiply
    15,032.48x = 20,751.21 × 9,370.05
  4. Step 4: Simplify right side
    15,032.48x = 194,439,724.65
  5. Step 5: Solve for x
    x = 194,439,724.65/15,032.48
  6. Step 6: Final answer
    x = 12,934.64

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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.