Home / 12,326.60-17,011.40-7,020.41

Finding the Fourth Proportional to 12,326.60, 17,011.40 and 7,020.41

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Solution

The fourth proportional to 12,326.60, 17,011.40 and 7,020.41 is: 9,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.60 : 17,011.40 = 7,020.41 : x
  2. Step 2: Convert to fraction form
    12,326.60/17,011.40 = 7,020.41/x
  3. Step 3: Cross multiply
    12,326.60x = 17,011.40 × 7,020.41
  4. Step 4: Simplify right side
    12,326.60x = 119,426,882.51
  5. Step 5: Solve for x
    x = 119,426,882.51/12,326.60
  6. Step 6: Final answer
    x = 9,688.55

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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.