Home / 30,263.07-45,401.90-9,486.57

Finding the Fourth Proportional to 30,263.07, 45,401.90 and 9,486.57

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Solution

The fourth proportional to 30,263.07, 45,401.90 and 9,486.57 is: 14,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.07 : 45,401.90 = 9,486.57 : x
  2. Step 2: Convert to fraction form
    30,263.07/45,401.90 = 9,486.57/x
  3. Step 3: Cross multiply
    30,263.07x = 45,401.90 × 9,486.57
  4. Step 4: Simplify right side
    30,263.07x = 430,708,302.48
  5. Step 5: Solve for x
    x = 430,708,302.48/30,263.07
  6. Step 6: Final answer
    x = 14,232.14

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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.