Home / 10,447.80-15,667.10-4,903.08

Finding the Fourth Proportional to 10,447.80, 15,667.10 and 4,903.08

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Solution

The fourth proportional to 10,447.80, 15,667.10 and 4,903.08 is: 7,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.80 : 15,667.10 = 4,903.08 : x
  2. Step 2: Convert to fraction form
    10,447.80/15,667.10 = 4,903.08/x
  3. Step 3: Cross multiply
    10,447.80x = 15,667.10 × 4,903.08
  4. Step 4: Simplify right side
    10,447.80x = 76,817,044.67
  5. Step 5: Solve for x
    x = 76,817,044.67/10,447.80
  6. Step 6: Final answer
    x = 7,352.46

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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.