Home / 19,389.59-29,082.76-7,699.67

Finding the Fourth Proportional to 19,389.59, 29,082.76 and 7,699.67

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Solution

The fourth proportional to 19,389.59, 29,082.76 and 7,699.67 is: 11,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.59 : 29,082.76 = 7,699.67 : x
  2. Step 2: Convert to fraction form
    19,389.59/29,082.76 = 7,699.67/x
  3. Step 3: Cross multiply
    19,389.59x = 29,082.76 × 7,699.67
  4. Step 4: Simplify right side
    19,389.59x = 223,927,490.03
  5. Step 5: Solve for x
    x = 223,927,490.03/19,389.59
  6. Step 6: Final answer
    x = 11,548.85

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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.