Home / 10,655.10-15,973.38-6,908.40

Finding the Fourth Proportional to 10,655.10, 15,973.38 and 6,908.40

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Solution

The fourth proportional to 10,655.10, 15,973.38 and 6,908.40 is: 10,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.10 : 15,973.38 = 6,908.40 : x
  2. Step 2: Convert to fraction form
    10,655.10/15,973.38 = 6,908.40/x
  3. Step 3: Cross multiply
    10,655.10x = 15,973.38 × 6,908.40
  4. Step 4: Simplify right side
    10,655.10x = 110,350,498.39
  5. Step 5: Solve for x
    x = 110,350,498.39/10,655.10
  6. Step 6: Final answer
    x = 10,356.59

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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.