Home / 13,217.58-19,579.05-13,070.16

Finding the Fourth Proportional to 13,217.58, 19,579.05 and 13,070.16

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Solution

The fourth proportional to 13,217.58, 19,579.05 and 13,070.16 is: 19,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.58 : 19,579.05 = 13,070.16 : x
  2. Step 2: Convert to fraction form
    13,217.58/19,579.05 = 13,070.16/x
  3. Step 3: Cross multiply
    13,217.58x = 19,579.05 × 13,070.16
  4. Step 4: Simplify right side
    13,217.58x = 255,901,316.15
  5. Step 5: Solve for x
    x = 255,901,316.15/13,217.58
  6. Step 6: Final answer
    x = 19,360.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.