Home / 19,461.72-29,192.61-6,315.12

Finding the Fourth Proportional to 19,461.72, 29,192.61 and 6,315.12

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Solution

The fourth proportional to 19,461.72, 29,192.61 and 6,315.12 is: 9,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.72 : 29,192.61 = 6,315.12 : x
  2. Step 2: Convert to fraction form
    19,461.72/29,192.61 = 6,315.12/x
  3. Step 3: Cross multiply
    19,461.72x = 29,192.61 × 6,315.12
  4. Step 4: Simplify right side
    19,461.72x = 184,354,835.26
  5. Step 5: Solve for x
    x = 184,354,835.26/19,461.72
  6. Step 6: Final answer
    x = 9,472.69

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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.