Home / 14,328.85-21,465.93-8,391.16

Finding the Fourth Proportional to 14,328.85, 21,465.93 and 8,391.16

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Solution

The fourth proportional to 14,328.85, 21,465.93 and 8,391.16 is: 12,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.85 : 21,465.93 = 8,391.16 : x
  2. Step 2: Convert to fraction form
    14,328.85/21,465.93 = 8,391.16/x
  3. Step 3: Cross multiply
    14,328.85x = 21,465.93 × 8,391.16
  4. Step 4: Simplify right side
    14,328.85x = 180,124,053.18
  5. Step 5: Solve for x
    x = 180,124,053.18/14,328.85
  6. Step 6: Final answer
    x = 12,570.73

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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.