Home / 10,829.70-16,244.55-10,319.40

Finding the Fourth Proportional to 10,829.70, 16,244.55 and 10,319.40

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Solution

The fourth proportional to 10,829.70, 16,244.55 and 10,319.40 is: 15,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.70 : 16,244.55 = 10,319.40 : x
  2. Step 2: Convert to fraction form
    10,829.70/16,244.55 = 10,319.40/x
  3. Step 3: Cross multiply
    10,829.70x = 16,244.55 × 10,319.40
  4. Step 4: Simplify right side
    10,829.70x = 167,634,009.27
  5. Step 5: Solve for x
    x = 167,634,009.27/10,829.70
  6. Step 6: Final answer
    x = 15,479.10

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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.