Home / 22,313.90-30,790.58-13,360.16

Finding the Fourth Proportional to 22,313.90, 30,790.58 and 13,360.16

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Solution

The fourth proportional to 22,313.90, 30,790.58 and 13,360.16 is: 18,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.90 : 30,790.58 = 13,360.16 : x
  2. Step 2: Convert to fraction form
    22,313.90/30,790.58 = 13,360.16/x
  3. Step 3: Cross multiply
    22,313.90x = 30,790.58 × 13,360.16
  4. Step 4: Simplify right side
    22,313.90x = 411,367,075.29
  5. Step 5: Solve for x
    x = 411,367,075.29/22,313.90
  6. Step 6: Final answer
    x = 18,435.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.