Home / 9,801.45-13,526.10-5,325.21

Finding the Fourth Proportional to 9,801.45, 13,526.10 and 5,325.21

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Solution

The fourth proportional to 9,801.45, 13,526.10 and 5,325.21 is: 7,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.45 : 13,526.10 = 5,325.21 : x
  2. Step 2: Convert to fraction form
    9,801.45/13,526.10 = 5,325.21/x
  3. Step 3: Cross multiply
    9,801.45x = 13,526.10 × 5,325.21
  4. Step 4: Simplify right side
    9,801.45x = 72,029,322.98
  5. Step 5: Solve for x
    x = 72,029,322.98/9,801.45
  6. Step 6: Final answer
    x = 7,348.84

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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.