Home / 19,312.72-26,649.35-10,813.66

Finding the Fourth Proportional to 19,312.72, 26,649.35 and 10,813.66

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Solution

The fourth proportional to 19,312.72, 26,649.35 and 10,813.66 is: 14,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.72 : 26,649.35 = 10,813.66 : x
  2. Step 2: Convert to fraction form
    19,312.72/26,649.35 = 10,813.66/x
  3. Step 3: Cross multiply
    19,312.72x = 26,649.35 × 10,813.66
  4. Step 4: Simplify right side
    19,312.72x = 288,177,010.12
  5. Step 5: Solve for x
    x = 288,177,010.12/19,312.72
  6. Step 6: Final answer
    x = 14,921.62

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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.