Home / 21,402.12-32,087.10-6,602.34

Finding the Fourth Proportional to 21,402.12, 32,087.10 and 6,602.34

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Solution

The fourth proportional to 21,402.12, 32,087.10 and 6,602.34 is: 9,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.12 : 32,087.10 = 6,602.34 : x
  2. Step 2: Convert to fraction form
    21,402.12/32,087.10 = 6,602.34/x
  3. Step 3: Cross multiply
    21,402.12x = 32,087.10 × 6,602.34
  4. Step 4: Simplify right side
    21,402.12x = 211,849,943.81
  5. Step 5: Solve for x
    x = 211,849,943.81/21,402.12
  6. Step 6: Final answer
    x = 9,898.55

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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.