Home / 13,774.76-19,008.80-7,487.16

Finding the Fourth Proportional to 13,774.76, 19,008.80 and 7,487.16

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Solution

The fourth proportional to 13,774.76, 19,008.80 and 7,487.16 is: 10,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.76 : 19,008.80 = 7,487.16 : x
  2. Step 2: Convert to fraction form
    13,774.76/19,008.80 = 7,487.16/x
  3. Step 3: Cross multiply
    13,774.76x = 19,008.80 × 7,487.16
  4. Step 4: Simplify right side
    13,774.76x = 142,321,927.01
  5. Step 5: Solve for x
    x = 142,321,927.01/13,774.76
  6. Step 6: Final answer
    x = 10,332.08

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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.