Home / 14,247.09-21,370.64-4,386.15

Finding the Fourth Proportional to 14,247.09, 21,370.64 and 4,386.15

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Solution

The fourth proportional to 14,247.09, 21,370.64 and 4,386.15 is: 6,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.09 : 21,370.64 = 4,386.15 : x
  2. Step 2: Convert to fraction form
    14,247.09/21,370.64 = 4,386.15/x
  3. Step 3: Cross multiply
    14,247.09x = 21,370.64 × 4,386.15
  4. Step 4: Simplify right side
    14,247.09x = 93,734,810.71
  5. Step 5: Solve for x
    x = 93,734,810.71/14,247.09
  6. Step 6: Final answer
    x = 6,579.23

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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.