Home / 19,637.40-27,095.88-11,681.64

Finding the Fourth Proportional to 19,637.40, 27,095.88 and 11,681.64

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Solution

The fourth proportional to 19,637.40, 27,095.88 and 11,681.64 is: 16,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.40 : 27,095.88 = 11,681.64 : x
  2. Step 2: Convert to fraction form
    19,637.40/27,095.88 = 11,681.64/x
  3. Step 3: Cross multiply
    19,637.40x = 27,095.88 × 11,681.64
  4. Step 4: Simplify right side
    19,637.40x = 316,524,315.64
  5. Step 5: Solve for x
    x = 316,524,315.64/19,637.40
  6. Step 6: Final answer
    x = 16,118.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.