Home / 13,316.34-19,967.01-4,426.90

Finding the Fourth Proportional to 13,316.34, 19,967.01 and 4,426.90

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Solution

The fourth proportional to 13,316.34, 19,967.01 and 4,426.90 is: 6,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.34 : 19,967.01 = 4,426.90 : x
  2. Step 2: Convert to fraction form
    13,316.34/19,967.01 = 4,426.90/x
  3. Step 3: Cross multiply
    13,316.34x = 19,967.01 × 4,426.90
  4. Step 4: Simplify right side
    13,316.34x = 88,391,956.57
  5. Step 5: Solve for x
    x = 88,391,956.57/13,316.34
  6. Step 6: Final answer
    x = 6,637.86

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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.