Home / 12,035.79-18,056.79-5,013.57

Finding the Fourth Proportional to 12,035.79, 18,056.79 and 5,013.57

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Solution

The fourth proportional to 12,035.79, 18,056.79 and 5,013.57 is: 7,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.79 : 18,056.79 = 5,013.57 : x
  2. Step 2: Convert to fraction form
    12,035.79/18,056.79 = 5,013.57/x
  3. Step 3: Cross multiply
    12,035.79x = 18,056.79 × 5,013.57
  4. Step 4: Simplify right side
    12,035.79x = 90,528,980.64
  5. Step 5: Solve for x
    x = 90,528,980.64/12,035.79
  6. Step 6: Final answer
    x = 7,521.65

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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.