Home / 19,294.10-26,650.86-13,315.22

Finding the Fourth Proportional to 19,294.10, 26,650.86 and 13,315.22

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Solution

The fourth proportional to 19,294.10, 26,650.86 and 13,315.22 is: 18,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.10 : 26,650.86 = 13,315.22 : x
  2. Step 2: Convert to fraction form
    19,294.10/26,650.86 = 13,315.22/x
  3. Step 3: Cross multiply
    19,294.10x = 26,650.86 × 13,315.22
  4. Step 4: Simplify right side
    19,294.10x = 354,862,064.09
  5. Step 5: Solve for x
    x = 354,862,064.09/19,294.10
  6. Step 6: Final answer
    x = 18,392.26

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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.