Home / 20,348.98-30,526.91-7,018.35

Finding the Fourth Proportional to 20,348.98, 30,526.91 and 7,018.35

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Solution

The fourth proportional to 20,348.98, 30,526.91 and 7,018.35 is: 10,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.98 : 30,526.91 = 7,018.35 : x
  2. Step 2: Convert to fraction form
    20,348.98/30,526.91 = 7,018.35/x
  3. Step 3: Cross multiply
    20,348.98x = 30,526.91 × 7,018.35
  4. Step 4: Simplify right side
    20,348.98x = 214,248,632.66
  5. Step 5: Solve for x
    x = 214,248,632.66/20,348.98
  6. Step 6: Final answer
    x = 10,528.72

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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.