Home / 11,329.07-16,971.53-7,421.63

Finding the Fourth Proportional to 11,329.07, 16,971.53 and 7,421.63

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Solution

The fourth proportional to 11,329.07, 16,971.53 and 7,421.63 is: 11,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.07 : 16,971.53 = 7,421.63 : x
  2. Step 2: Convert to fraction form
    11,329.07/16,971.53 = 7,421.63/x
  3. Step 3: Cross multiply
    11,329.07x = 16,971.53 × 7,421.63
  4. Step 4: Simplify right side
    11,329.07x = 125,956,294.23
  5. Step 5: Solve for x
    x = 125,956,294.23/11,329.07
  6. Step 6: Final answer
    x = 11,117.98

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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.