Home / 19,587.21-27,030.66-11,089.11

Finding the Fourth Proportional to 19,587.21, 27,030.66 and 11,089.11

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Solution

The fourth proportional to 19,587.21, 27,030.66 and 11,089.11 is: 15,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.21 : 27,030.66 = 11,089.11 : x
  2. Step 2: Convert to fraction form
    19,587.21/27,030.66 = 11,089.11/x
  3. Step 3: Cross multiply
    19,587.21x = 27,030.66 × 11,089.11
  4. Step 4: Simplify right side
    19,587.21x = 299,745,962.11
  5. Step 5: Solve for x
    x = 299,745,962.11/19,587.21
  6. Step 6: Final answer
    x = 15,303.15

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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.