Home / 19,929.53-27,502.92-10,977.34

Finding the Fourth Proportional to 19,929.53, 27,502.92 and 10,977.34

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Solution

The fourth proportional to 19,929.53, 27,502.92 and 10,977.34 is: 15,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.53 : 27,502.92 = 10,977.34 : x
  2. Step 2: Convert to fraction form
    19,929.53/27,502.92 = 10,977.34/x
  3. Step 3: Cross multiply
    19,929.53x = 27,502.92 × 10,977.34
  4. Step 4: Simplify right side
    19,929.53x = 301,908,903.83
  5. Step 5: Solve for x
    x = 301,908,903.83/19,929.53
  6. Step 6: Final answer
    x = 15,148.82

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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.