Home / 12,530.04-18,795.51-4,210.33

Finding the Fourth Proportional to 12,530.04, 18,795.51 and 4,210.33

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Solution

The fourth proportional to 12,530.04, 18,795.51 and 4,210.33 is: 6,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.04 : 18,795.51 = 4,210.33 : x
  2. Step 2: Convert to fraction form
    12,530.04/18,795.51 = 4,210.33/x
  3. Step 3: Cross multiply
    12,530.04x = 18,795.51 × 4,210.33
  4. Step 4: Simplify right side
    12,530.04x = 79,135,205.64
  5. Step 5: Solve for x
    x = 79,135,205.64/12,530.04
  6. Step 6: Final answer
    x = 6,315.64

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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.