Home / 20,223.36-30,335.28-7,075.68

Finding the Fourth Proportional to 20,223.36, 30,335.28 and 7,075.68

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Solution

The fourth proportional to 20,223.36, 30,335.28 and 7,075.68 is: 10,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.36 : 30,335.28 = 7,075.68 : x
  2. Step 2: Convert to fraction form
    20,223.36/30,335.28 = 7,075.68/x
  3. Step 3: Cross multiply
    20,223.36x = 30,335.28 × 7,075.68
  4. Step 4: Simplify right side
    20,223.36x = 214,642,733.99
  5. Step 5: Solve for x
    x = 214,642,733.99/20,223.36
  6. Step 6: Final answer
    x = 10,613.60

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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.