Home / 10,956.81-16,430.90-4,717.29

Finding the Fourth Proportional to 10,956.81, 16,430.90 and 4,717.29

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Solution

The fourth proportional to 10,956.81, 16,430.90 and 4,717.29 is: 7,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.81 : 16,430.90 = 4,717.29 : x
  2. Step 2: Convert to fraction form
    10,956.81/16,430.90 = 4,717.29/x
  3. Step 3: Cross multiply
    10,956.81x = 16,430.90 × 4,717.29
  4. Step 4: Simplify right side
    10,956.81x = 77,509,296.67
  5. Step 5: Solve for x
    x = 77,509,296.67/10,956.81
  6. Step 6: Final answer
    x = 7,074.08

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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.