Home / 12,577.02-17,364.40-7,802.04

Finding the Fourth Proportional to 12,577.02, 17,364.40 and 7,802.04

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Solution

The fourth proportional to 12,577.02, 17,364.40 and 7,802.04 is: 10,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.02 : 17,364.40 = 7,802.04 : x
  2. Step 2: Convert to fraction form
    12,577.02/17,364.40 = 7,802.04/x
  3. Step 3: Cross multiply
    12,577.02x = 17,364.40 × 7,802.04
  4. Step 4: Simplify right side
    12,577.02x = 135,477,743.38
  5. Step 5: Solve for x
    x = 135,477,743.38/12,577.02
  6. Step 6: Final answer
    x = 10,771.85

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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.