Home / 19,430.23-29,142.24-6,947.93

Finding the Fourth Proportional to 19,430.23, 29,142.24 and 6,947.93

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Solution

The fourth proportional to 19,430.23, 29,142.24 and 6,947.93 is: 10,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.23 : 29,142.24 = 6,947.93 : x
  2. Step 2: Convert to fraction form
    19,430.23/29,142.24 = 6,947.93/x
  3. Step 3: Cross multiply
    19,430.23x = 29,142.24 × 6,947.93
  4. Step 4: Simplify right side
    19,430.23x = 202,478,063.11
  5. Step 5: Solve for x
    x = 202,478,063.11/19,430.23
  6. Step 6: Final answer
    x = 10,420.78

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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.