Home / 10,148.36-14,001.48-5,671.40

Finding the Fourth Proportional to 10,148.36, 14,001.48 and 5,671.40

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Solution

The fourth proportional to 10,148.36, 14,001.48 and 5,671.40 is: 7,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.36 : 14,001.48 = 5,671.40 : x
  2. Step 2: Convert to fraction form
    10,148.36/14,001.48 = 5,671.40/x
  3. Step 3: Cross multiply
    10,148.36x = 14,001.48 × 5,671.40
  4. Step 4: Simplify right side
    10,148.36x = 79,407,993.67
  5. Step 5: Solve for x
    x = 79,407,993.67/10,148.36
  6. Step 6: Final answer
    x = 7,824.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.