Home / 13,819.95-19,070.60-7,532.19

Finding the Fourth Proportional to 13,819.95, 19,070.60 and 7,532.19

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Solution

The fourth proportional to 13,819.95, 19,070.60 and 7,532.19 is: 10,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.95 : 19,070.60 = 7,532.19 : x
  2. Step 2: Convert to fraction form
    13,819.95/19,070.60 = 7,532.19/x
  3. Step 3: Cross multiply
    13,819.95x = 19,070.60 × 7,532.19
  4. Step 4: Simplify right side
    13,819.95x = 143,643,344.95
  5. Step 5: Solve for x
    x = 143,643,344.95/13,819.95
  6. Step 6: Final answer
    x = 10,393.91

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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.