Home / 21,397.34-32,099.09-6,607.40

Finding the Fourth Proportional to 21,397.34, 32,099.09 and 6,607.40

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Solution

The fourth proportional to 21,397.34, 32,099.09 and 6,607.40 is: 9,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.34 : 32,099.09 = 6,607.40 : x
  2. Step 2: Convert to fraction form
    21,397.34/32,099.09 = 6,607.40/x
  3. Step 3: Cross multiply
    21,397.34x = 32,099.09 × 6,607.40
  4. Step 4: Simplify right side
    21,397.34x = 212,091,494.23
  5. Step 5: Solve for x
    x = 212,091,494.23/21,397.34
  6. Step 6: Final answer
    x = 9,912.05

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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.