Home / 13,283.64-19,928.58-7,444.28

Finding the Fourth Proportional to 13,283.64, 19,928.58 and 7,444.28

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Solution

The fourth proportional to 13,283.64, 19,928.58 and 7,444.28 is: 11,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.64 : 19,928.58 = 7,444.28 : x
  2. Step 2: Convert to fraction form
    13,283.64/19,928.58 = 7,444.28/x
  3. Step 3: Cross multiply
    13,283.64x = 19,928.58 × 7,444.28
  4. Step 4: Simplify right side
    13,283.64x = 148,353,929.52
  5. Step 5: Solve for x
    x = 148,353,929.52/13,283.64
  6. Step 6: Final answer
    x = 11,168.17

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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.