Home / 19,785.13-29,682.14-6,637.16

Finding the Fourth Proportional to 19,785.13, 29,682.14 and 6,637.16

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Solution

The fourth proportional to 19,785.13, 29,682.14 and 6,637.16 is: 9,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.13 : 29,682.14 = 6,637.16 : x
  2. Step 2: Convert to fraction form
    19,785.13/29,682.14 = 6,637.16/x
  3. Step 3: Cross multiply
    19,785.13x = 29,682.14 × 6,637.16
  4. Step 4: Simplify right side
    19,785.13x = 197,005,153.34
  5. Step 5: Solve for x
    x = 197,005,153.34/19,785.13
  6. Step 6: Final answer
    x = 9,957.23

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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.