Home / 19,641.17-29,457.60-6,490.55

Finding the Fourth Proportional to 19,641.17, 29,457.60 and 6,490.55

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Solution

The fourth proportional to 19,641.17, 29,457.60 and 6,490.55 is: 9,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.17 : 29,457.60 = 6,490.55 : x
  2. Step 2: Convert to fraction form
    19,641.17/29,457.60 = 6,490.55/x
  3. Step 3: Cross multiply
    19,641.17x = 29,457.60 × 6,490.55
  4. Step 4: Simplify right side
    19,641.17x = 191,196,025.68
  5. Step 5: Solve for x
    x = 191,196,025.68/19,641.17
  6. Step 6: Final answer
    x = 9,734.45

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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.