Home / 19,459.08-29,158.74-13,110.30

Finding the Fourth Proportional to 19,459.08, 29,158.74 and 13,110.30

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Solution

The fourth proportional to 19,459.08, 29,158.74 and 13,110.30 is: 19,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.08 : 29,158.74 = 13,110.30 : x
  2. Step 2: Convert to fraction form
    19,459.08/29,158.74 = 13,110.30/x
  3. Step 3: Cross multiply
    19,459.08x = 29,158.74 × 13,110.30
  4. Step 4: Simplify right side
    19,459.08x = 382,279,829.02
  5. Step 5: Solve for x
    x = 382,279,829.02/19,459.08
  6. Step 6: Final answer
    x = 19,645.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.