Home / 19,430.08-26,812.92-10,932.67

Finding the Fourth Proportional to 19,430.08, 26,812.92 and 10,932.67

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Solution

The fourth proportional to 19,430.08, 26,812.92 and 10,932.67 is: 15,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.08 : 26,812.92 = 10,932.67 : x
  2. Step 2: Convert to fraction form
    19,430.08/26,812.92 = 10,932.67/x
  3. Step 3: Cross multiply
    19,430.08x = 26,812.92 × 10,932.67
  4. Step 4: Simplify right side
    19,430.08x = 293,136,880.61
  5. Step 5: Solve for x
    x = 293,136,880.61/19,430.08
  6. Step 6: Final answer
    x = 15,086.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.