Home / 19,763.68-27,272.40-10,810.72

Finding the Fourth Proportional to 19,763.68, 27,272.40 and 10,810.72

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Solution

The fourth proportional to 19,763.68, 27,272.40 and 10,810.72 is: 14,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.68 : 27,272.40 = 10,810.72 : x
  2. Step 2: Convert to fraction form
    19,763.68/27,272.40 = 10,810.72/x
  3. Step 3: Cross multiply
    19,763.68x = 27,272.40 × 10,810.72
  4. Step 4: Simplify right side
    19,763.68x = 294,834,280.13
  5. Step 5: Solve for x
    x = 294,834,280.13/19,763.68
  6. Step 6: Final answer
    x = 14,917.98

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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.