Home / 11,127-15,355.28-6,935.25

Finding the Fourth Proportional to 11,127, 15,355.28 and 6,935.25

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Solution

The fourth proportional to 11,127, 15,355.28 and 6,935.25 is: 9,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127 : 15,355.28 = 6,935.25 : x
  2. Step 2: Convert to fraction form
    11,127/15,355.28 = 6,935.25/x
  3. Step 3: Cross multiply
    11,127x = 15,355.28 × 6,935.25
  4. Step 4: Simplify right side
    11,127x = 106,492,705.62
  5. Step 5: Solve for x
    x = 106,492,705.62/11,127
  6. Step 6: Final answer
    x = 9,570.66

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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.