Home / 19,603.08-29,405.12-5,563.55

Finding the Fourth Proportional to 19,603.08, 29,405.12 and 5,563.55

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Solution

The fourth proportional to 19,603.08, 29,405.12 and 5,563.55 is: 8,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.08 : 29,405.12 = 5,563.55 : x
  2. Step 2: Convert to fraction form
    19,603.08/29,405.12 = 5,563.55/x
  3. Step 3: Cross multiply
    19,603.08x = 29,405.12 × 5,563.55
  4. Step 4: Simplify right side
    19,603.08x = 163,596,680.53
  5. Step 5: Solve for x
    x = 163,596,680.53/19,603.08
  6. Step 6: Final answer
    x = 8,345.46

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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.