Home / 9,971.34-14,948.50-4,421.65

Finding the Fourth Proportional to 9,971.34, 14,948.50 and 4,421.65

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Solution

The fourth proportional to 9,971.34, 14,948.50 and 4,421.65 is: 6,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.34 : 14,948.50 = 4,421.65 : x
  2. Step 2: Convert to fraction form
    9,971.34/14,948.50 = 4,421.65/x
  3. Step 3: Cross multiply
    9,971.34x = 14,948.50 × 4,421.65
  4. Step 4: Simplify right side
    9,971.34x = 66,097,035.03
  5. Step 5: Solve for x
    x = 66,097,035.03/9,971.34
  6. Step 6: Final answer
    x = 6,628.70

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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.