Home / 20,223.13-30,339.02-7,075.93

Finding the Fourth Proportional to 20,223.13, 30,339.02 and 7,075.93

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Solution

The fourth proportional to 20,223.13, 30,339.02 and 7,075.93 is: 10,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.13 : 30,339.02 = 7,075.93 : x
  2. Step 2: Convert to fraction form
    20,223.13/30,339.02 = 7,075.93/x
  3. Step 3: Cross multiply
    20,223.13x = 30,339.02 × 7,075.93
  4. Step 4: Simplify right side
    20,223.13x = 214,676,746.41
  5. Step 5: Solve for x
    x = 214,676,746.41/20,223.13
  6. Step 6: Final answer
    x = 10,615.41

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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.