Home / 9,801.68-13,526.64-5,325.76

Finding the Fourth Proportional to 9,801.68, 13,526.64 and 5,325.76

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Solution

The fourth proportional to 9,801.68, 13,526.64 and 5,325.76 is: 7,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.68 : 13,526.64 = 5,325.76 : x
  2. Step 2: Convert to fraction form
    9,801.68/13,526.64 = 5,325.76/x
  3. Step 3: Cross multiply
    9,801.68x = 13,526.64 × 5,325.76
  4. Step 4: Simplify right side
    9,801.68x = 72,039,638.25
  5. Step 5: Solve for x
    x = 72,039,638.25/9,801.68
  6. Step 6: Final answer
    x = 7,349.72

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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.