Home / 19,721.86-29,576.40-6,570.70

Finding the Fourth Proportional to 19,721.86, 29,576.40 and 6,570.70

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Solution

The fourth proportional to 19,721.86, 29,576.40 and 6,570.70 is: 9,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.86 : 29,576.40 = 6,570.70 : x
  2. Step 2: Convert to fraction form
    19,721.86/29,576.40 = 6,570.70/x
  3. Step 3: Cross multiply
    19,721.86x = 29,576.40 × 6,570.70
  4. Step 4: Simplify right side
    19,721.86x = 194,337,651.48
  5. Step 5: Solve for x
    x = 194,337,651.48/19,721.86
  6. Step 6: Final answer
    x = 9,853.92

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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.