Home / 10,191.15-15,289.16-4,646.16

Finding the Fourth Proportional to 10,191.15, 15,289.16 and 4,646.16

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Solution

The fourth proportional to 10,191.15, 15,289.16 and 4,646.16 is: 6,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.15 : 15,289.16 = 4,646.16 : x
  2. Step 2: Convert to fraction form
    10,191.15/15,289.16 = 4,646.16/x
  3. Step 3: Cross multiply
    10,191.15x = 15,289.16 × 4,646.16
  4. Step 4: Simplify right side
    10,191.15x = 71,035,860.39
  5. Step 5: Solve for x
    x = 71,035,860.39/10,191.15
  6. Step 6: Final answer
    x = 6,970.35

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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.