Home / 10,368.12-15,551.94-4,212.12

Finding the Fourth Proportional to 10,368.12, 15,551.94 and 4,212.12

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Solution

The fourth proportional to 10,368.12, 15,551.94 and 4,212.12 is: 6,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.12 : 15,551.94 = 4,212.12 : x
  2. Step 2: Convert to fraction form
    10,368.12/15,551.94 = 4,212.12/x
  3. Step 3: Cross multiply
    10,368.12x = 15,551.94 × 4,212.12
  4. Step 4: Simplify right side
    10,368.12x = 65,506,637.51
  5. Step 5: Solve for x
    x = 65,506,637.51/10,368.12
  6. Step 6: Final answer
    x = 6,318.08

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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.