Home / 19,459.72-26,860.98-13,499.29

Finding the Fourth Proportional to 19,459.72, 26,860.98 and 13,499.29

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Solution

The fourth proportional to 19,459.72, 26,860.98 and 13,499.29 is: 18,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.72 : 26,860.98 = 13,499.29 : x
  2. Step 2: Convert to fraction form
    19,459.72/26,860.98 = 13,499.29/x
  3. Step 3: Cross multiply
    19,459.72x = 26,860.98 × 13,499.29
  4. Step 4: Simplify right side
    19,459.72x = 362,604,158.70
  5. Step 5: Solve for x
    x = 362,604,158.70/19,459.72
  6. Step 6: Final answer
    x = 18,633.58

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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.