Home / 14,148.16-21,225.51-4,152.51

Finding the Fourth Proportional to 14,148.16, 21,225.51 and 4,152.51

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Solution

The fourth proportional to 14,148.16, 21,225.51 and 4,152.51 is: 6,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.16 : 21,225.51 = 4,152.51 : x
  2. Step 2: Convert to fraction form
    14,148.16/21,225.51 = 4,152.51/x
  3. Step 3: Cross multiply
    14,148.16x = 21,225.51 × 4,152.51
  4. Step 4: Simplify right side
    14,148.16x = 88,139,142.53
  5. Step 5: Solve for x
    x = 88,139,142.53/14,148.16
  6. Step 6: Final answer
    x = 6,229.73

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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.