Home / 14,280.47-19,707.04-7,992.84

Finding the Fourth Proportional to 14,280.47, 19,707.04 and 7,992.84

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Solution

The fourth proportional to 14,280.47, 19,707.04 and 7,992.84 is: 11,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.47 : 19,707.04 = 7,992.84 : x
  2. Step 2: Convert to fraction form
    14,280.47/19,707.04 = 7,992.84/x
  3. Step 3: Cross multiply
    14,280.47x = 19,707.04 × 7,992.84
  4. Step 4: Simplify right side
    14,280.47x = 157,515,197.61
  5. Step 5: Solve for x
    x = 157,515,197.61/14,280.47
  6. Step 6: Final answer
    x = 11,030.12

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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.