Home / 14,272.13-19,695.60-7,984.51

Finding the Fourth Proportional to 14,272.13, 19,695.60 and 7,984.51

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Solution

The fourth proportional to 14,272.13, 19,695.60 and 7,984.51 is: 11,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.13 : 19,695.60 = 7,984.51 : x
  2. Step 2: Convert to fraction form
    14,272.13/19,695.60 = 7,984.51/x
  3. Step 3: Cross multiply
    14,272.13x = 19,695.60 × 7,984.51
  4. Step 4: Simplify right side
    14,272.13x = 157,259,715.16
  5. Step 5: Solve for x
    x = 157,259,715.16/14,272.13
  6. Step 6: Final answer
    x = 11,018.66

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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.