Home / 15,543.80-23,315.70-6,309.80

Finding the Fourth Proportional to 15,543.80, 23,315.70 and 6,309.80

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Solution

The fourth proportional to 15,543.80, 23,315.70 and 6,309.80 is: 9,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.80 : 23,315.70 = 6,309.80 : x
  2. Step 2: Convert to fraction form
    15,543.80/23,315.70 = 6,309.80/x
  3. Step 3: Cross multiply
    15,543.80x = 23,315.70 × 6,309.80
  4. Step 4: Simplify right side
    15,543.80x = 147,117,403.86
  5. Step 5: Solve for x
    x = 147,117,403.86/15,543.80
  6. Step 6: Final answer
    x = 9,464.70

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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.