Home / 19,398.35-29,088.32-8,865.25

Finding the Fourth Proportional to 19,398.35, 29,088.32 and 8,865.25

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Solution

The fourth proportional to 19,398.35, 29,088.32 and 8,865.25 is: 13,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.35 : 29,088.32 = 8,865.25 : x
  2. Step 2: Convert to fraction form
    19,398.35/29,088.32 = 8,865.25/x
  3. Step 3: Cross multiply
    19,398.35x = 29,088.32 × 8,865.25
  4. Step 4: Simplify right side
    19,398.35x = 257,875,111.83
  5. Step 5: Solve for x
    x = 257,875,111.83/19,398.35
  6. Step 6: Final answer
    x = 13,293.66

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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.