Home / 12,471.04-17,210.02-7,994.79

Finding the Fourth Proportional to 12,471.04, 17,210.02 and 7,994.79

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Solution

The fourth proportional to 12,471.04, 17,210.02 and 7,994.79 is: 11,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.04 : 17,210.02 = 7,994.79 : x
  2. Step 2: Convert to fraction form
    12,471.04/17,210.02 = 7,994.79/x
  3. Step 3: Cross multiply
    12,471.04x = 17,210.02 × 7,994.79
  4. Step 4: Simplify right side
    12,471.04x = 137,590,495.80
  5. Step 5: Solve for x
    x = 137,590,495.80/12,471.04
  6. Step 6: Final answer
    x = 11,032.80

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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.