Home / 19,970.01-27,569.84-13,264.79

Finding the Fourth Proportional to 19,970.01, 27,569.84 and 13,264.79

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Solution

The fourth proportional to 19,970.01, 27,569.84 and 13,264.79 is: 18,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.01 : 27,569.84 = 13,264.79 : x
  2. Step 2: Convert to fraction form
    19,970.01/27,569.84 = 13,264.79/x
  3. Step 3: Cross multiply
    19,970.01x = 27,569.84 × 13,264.79
  4. Step 4: Simplify right side
    19,970.01x = 365,707,933.76
  5. Step 5: Solve for x
    x = 365,707,933.76/19,970.01
  6. Step 6: Final answer
    x = 18,312.86

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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.