Home / 30,254.72-45,389.09-10,263.15

Finding the Fourth Proportional to 30,254.72, 45,389.09 and 10,263.15

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Solution

The fourth proportional to 30,254.72, 45,389.09 and 10,263.15 is: 15,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.72 : 45,389.09 = 10,263.15 : x
  2. Step 2: Convert to fraction form
    30,254.72/45,389.09 = 10,263.15/x
  3. Step 3: Cross multiply
    30,254.72x = 45,389.09 × 10,263.15
  4. Step 4: Simplify right side
    30,254.72x = 465,835,039.03
  5. Step 5: Solve for x
    x = 465,835,039.03/30,254.72
  6. Step 6: Final answer
    x = 15,397.10

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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.