Home / 15,677.12-23,485.38-9,756.40

Finding the Fourth Proportional to 15,677.12, 23,485.38 and 9,756.40

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Solution

The fourth proportional to 15,677.12, 23,485.38 and 9,756.40 is: 14,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.12 : 23,485.38 = 9,756.40 : x
  2. Step 2: Convert to fraction form
    15,677.12/23,485.38 = 9,756.40/x
  3. Step 3: Cross multiply
    15,677.12x = 23,485.38 × 9,756.40
  4. Step 4: Simplify right side
    15,677.12x = 229,132,761.43
  5. Step 5: Solve for x
    x = 229,132,761.43/15,677.12
  6. Step 6: Final answer
    x = 14,615.74

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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.