Home / 13,316.76-19,975.08-4,551.72

Finding the Fourth Proportional to 13,316.76, 19,975.08 and 4,551.72

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Solution

The fourth proportional to 13,316.76, 19,975.08 and 4,551.72 is: 6,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.76 : 19,975.08 = 4,551.72 : x
  2. Step 2: Convert to fraction form
    13,316.76/19,975.08 = 4,551.72/x
  3. Step 3: Cross multiply
    13,316.76x = 19,975.08 × 4,551.72
  4. Step 4: Simplify right side
    13,316.76x = 90,920,971.14
  5. Step 5: Solve for x
    x = 90,920,971.14/13,316.76
  6. Step 6: Final answer
    x = 6,827.56

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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.