Home / 19,360.18-26,712.97-12,655.63

Finding the Fourth Proportional to 19,360.18, 26,712.97 and 12,655.63

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Solution

The fourth proportional to 19,360.18, 26,712.97 and 12,655.63 is: 17,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.18 : 26,712.97 = 12,655.63 : x
  2. Step 2: Convert to fraction form
    19,360.18/26,712.97 = 12,655.63/x
  3. Step 3: Cross multiply
    19,360.18x = 26,712.97 × 12,655.63
  4. Step 4: Simplify right side
    19,360.18x = 338,069,464.52
  5. Step 5: Solve for x
    x = 338,069,464.52/19,360.18
  6. Step 6: Final answer
    x = 17,462.10

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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.