Home / 19,715.40-27,206.82-10,762.56

Finding the Fourth Proportional to 19,715.40, 27,206.82 and 10,762.56

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Solution

The fourth proportional to 19,715.40, 27,206.82 and 10,762.56 is: 14,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.40 : 27,206.82 = 10,762.56 : x
  2. Step 2: Convert to fraction form
    19,715.40/27,206.82 = 10,762.56/x
  3. Step 3: Cross multiply
    19,715.40x = 27,206.82 × 10,762.56
  4. Step 4: Simplify right side
    19,715.40x = 292,815,032.66
  5. Step 5: Solve for x
    x = 292,815,032.66/19,715.40
  6. Step 6: Final answer
    x = 14,852.10

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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.