Home / 10,830.12-14,945.64-6,637.56

Finding the Fourth Proportional to 10,830.12, 14,945.64 and 6,637.56

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Solution

The fourth proportional to 10,830.12, 14,945.64 and 6,637.56 is: 9,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.12 : 14,945.64 = 6,637.56 : x
  2. Step 2: Convert to fraction form
    10,830.12/14,945.64 = 6,637.56/x
  3. Step 3: Cross multiply
    10,830.12x = 14,945.64 × 6,637.56
  4. Step 4: Simplify right side
    10,830.12x = 99,202,582.24
  5. Step 5: Solve for x
    x = 99,202,582.24/10,830.12
  6. Step 6: Final answer
    x = 9,159.88

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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.