Home / 10,845.38-16,271.36-7,688.93

Finding the Fourth Proportional to 10,845.38, 16,271.36 and 7,688.93

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Solution

The fourth proportional to 10,845.38, 16,271.36 and 7,688.93 is: 11,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.38 : 16,271.36 = 7,688.93 : x
  2. Step 2: Convert to fraction form
    10,845.38/16,271.36 = 7,688.93/x
  3. Step 3: Cross multiply
    10,845.38x = 16,271.36 × 7,688.93
  4. Step 4: Simplify right side
    10,845.38x = 125,109,228.24
  5. Step 5: Solve for x
    x = 125,109,228.24/10,845.38
  6. Step 6: Final answer
    x = 11,535.72

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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.