Home / 11,259.23-16,806.40-9,929.18

Finding the Fourth Proportional to 11,259.23, 16,806.40 and 9,929.18

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Solution

The fourth proportional to 11,259.23, 16,806.40 and 9,929.18 is: 14,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.23 : 16,806.40 = 9,929.18 : x
  2. Step 2: Convert to fraction form
    11,259.23/16,806.40 = 9,929.18/x
  3. Step 3: Cross multiply
    11,259.23x = 16,806.40 × 9,929.18
  4. Step 4: Simplify right side
    11,259.23x = 166,873,637.07
  5. Step 5: Solve for x
    x = 166,873,637.07/11,259.23
  6. Step 6: Final answer
    x = 14,821.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.