Home / 19,040.88-26,288.64-13,070.64

Finding the Fourth Proportional to 19,040.88, 26,288.64 and 13,070.64

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Solution

The fourth proportional to 19,040.88, 26,288.64 and 13,070.64 is: 18,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.88 : 26,288.64 = 13,070.64 : x
  2. Step 2: Convert to fraction form
    19,040.88/26,288.64 = 13,070.64/x
  3. Step 3: Cross multiply
    19,040.88x = 26,288.64 × 13,070.64
  4. Step 4: Simplify right side
    19,040.88x = 343,609,349.53
  5. Step 5: Solve for x
    x = 343,609,349.53/19,040.88
  6. Step 6: Final answer
    x = 18,045.88

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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.