Home / 13,075.39-19,612.91-3,214.76

Finding the Fourth Proportional to 13,075.39, 19,612.91 and 3,214.76

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Solution

The fourth proportional to 13,075.39, 19,612.91 and 3,214.76 is: 4,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.39 : 19,612.91 = 3,214.76 : x
  2. Step 2: Convert to fraction form
    13,075.39/19,612.91 = 3,214.76/x
  3. Step 3: Cross multiply
    13,075.39x = 19,612.91 × 3,214.76
  4. Step 4: Simplify right side
    13,075.39x = 63,050,798.55
  5. Step 5: Solve for x
    x = 63,050,798.55/13,075.39
  6. Step 6: Final answer
    x = 4,822.10

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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.