Home / 19,641.18-29,457.60-6,490.56

Finding the Fourth Proportional to 19,641.18, 29,457.60 and 6,490.56

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Solution

The fourth proportional to 19,641.18, 29,457.60 and 6,490.56 is: 9,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.18 : 29,457.60 = 6,490.56 : x
  2. Step 2: Convert to fraction form
    19,641.18/29,457.60 = 6,490.56/x
  3. Step 3: Cross multiply
    19,641.18x = 29,457.60 × 6,490.56
  4. Step 4: Simplify right side
    19,641.18x = 191,196,320.26
  5. Step 5: Solve for x
    x = 191,196,320.26/19,641.18
  6. Step 6: Final answer
    x = 9,734.46

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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.