Home / 19,392.28-29,088.48-7,705.46

Finding the Fourth Proportional to 19,392.28, 29,088.48 and 7,705.46

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Solution

The fourth proportional to 19,392.28, 29,088.48 and 7,705.46 is: 11,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.28 : 29,088.48 = 7,705.46 : x
  2. Step 2: Convert to fraction form
    19,392.28/29,088.48 = 7,705.46/x
  3. Step 3: Cross multiply
    19,392.28x = 29,088.48 × 7,705.46
  4. Step 4: Simplify right side
    19,392.28x = 224,140,119.10
  5. Step 5: Solve for x
    x = 224,140,119.10/19,392.28
  6. Step 6: Final answer
    x = 11,558.21

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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.