Home / 12,528.19-18,794.01-4,210.59

Finding the Fourth Proportional to 12,528.19, 18,794.01 and 4,210.59

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Solution

The fourth proportional to 12,528.19, 18,794.01 and 4,210.59 is: 6,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.19 : 18,794.01 = 4,210.59 : x
  2. Step 2: Convert to fraction form
    12,528.19/18,794.01 = 4,210.59/x
  3. Step 3: Cross multiply
    12,528.19x = 18,794.01 × 4,210.59
  4. Step 4: Simplify right side
    12,528.19x = 79,133,870.57
  5. Step 5: Solve for x
    x = 79,133,870.57/12,528.19
  6. Step 6: Final answer
    x = 6,316.46

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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.