Home / 10,430.62-14,394.45-5,650.66

Finding the Fourth Proportional to 10,430.62, 14,394.45 and 5,650.66

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Solution

The fourth proportional to 10,430.62, 14,394.45 and 5,650.66 is: 7,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.62 : 14,394.45 = 5,650.66 : x
  2. Step 2: Convert to fraction form
    10,430.62/14,394.45 = 5,650.66/x
  3. Step 3: Cross multiply
    10,430.62x = 14,394.45 × 5,650.66
  4. Step 4: Simplify right side
    10,430.62x = 81,338,142.29
  5. Step 5: Solve for x
    x = 81,338,142.29/10,430.62
  6. Step 6: Final answer
    x = 7,798.01

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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.