Home / 30,003.16-45,011.06-11,283.36

Finding the Fourth Proportional to 30,003.16, 45,011.06 and 11,283.36

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Solution

The fourth proportional to 30,003.16, 45,011.06 and 11,283.36 is: 16,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.16 : 45,011.06 = 11,283.36 : x
  2. Step 2: Convert to fraction form
    30,003.16/45,011.06 = 11,283.36/x
  3. Step 3: Cross multiply
    30,003.16x = 45,011.06 × 11,283.36
  4. Step 4: Simplify right side
    30,003.16x = 507,875,993.96
  5. Step 5: Solve for x
    x = 507,875,993.96/30,003.16
  6. Step 6: Final answer
    x = 16,927.42

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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.