Home / 19,817.16-29,730.29-6,669.18

Finding the Fourth Proportional to 19,817.16, 29,730.29 and 6,669.18

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Solution

The fourth proportional to 19,817.16, 29,730.29 and 6,669.18 is: 10,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.16 : 29,730.29 = 6,669.18 : x
  2. Step 2: Convert to fraction form
    19,817.16/29,730.29 = 6,669.18/x
  3. Step 3: Cross multiply
    19,817.16x = 29,730.29 × 6,669.18
  4. Step 4: Simplify right side
    19,817.16x = 198,276,655.46
  5. Step 5: Solve for x
    x = 198,276,655.46/19,817.16
  6. Step 6: Final answer
    x = 10,005.30

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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.