Home / 13,977.12-19,283.52-9,266.40

Finding the Fourth Proportional to 13,977.12, 19,283.52 and 9,266.40

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Solution

The fourth proportional to 13,977.12, 19,283.52 and 9,266.40 is: 12,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.12 : 19,283.52 = 9,266.40 : x
  2. Step 2: Convert to fraction form
    13,977.12/19,283.52 = 9,266.40/x
  3. Step 3: Cross multiply
    13,977.12x = 19,283.52 × 9,266.40
  4. Step 4: Simplify right side
    13,977.12x = 178,688,809.73
  5. Step 5: Solve for x
    x = 178,688,809.73/13,977.12
  6. Step 6: Final answer
    x = 12,784.38

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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.