Home / 9,903.34-13,666.95-5,427.48

Finding the Fourth Proportional to 9,903.34, 13,666.95 and 5,427.48

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Solution

The fourth proportional to 9,903.34, 13,666.95 and 5,427.48 is: 7,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.34 : 13,666.95 = 5,427.48 : x
  2. Step 2: Convert to fraction form
    9,903.34/13,666.95 = 5,427.48/x
  3. Step 3: Cross multiply
    9,903.34x = 13,666.95 × 5,427.48
  4. Step 4: Simplify right side
    9,903.34x = 74,177,097.79
  5. Step 5: Solve for x
    x = 74,177,097.79/9,903.34
  6. Step 6: Final answer
    x = 7,490.11

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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.