Home / 14,139.28-19,512.75-7,852.84

Finding the Fourth Proportional to 14,139.28, 19,512.75 and 7,852.84

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Solution

The fourth proportional to 14,139.28, 19,512.75 and 7,852.84 is: 10,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.28 : 19,512.75 = 7,852.84 : x
  2. Step 2: Convert to fraction form
    14,139.28/19,512.75 = 7,852.84/x
  3. Step 3: Cross multiply
    14,139.28x = 19,512.75 × 7,852.84
  4. Step 4: Simplify right side
    14,139.28x = 153,230,503.71
  5. Step 5: Solve for x
    x = 153,230,503.71/14,139.28
  6. Step 6: Final answer
    x = 10,837.22

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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.