Home / 14,088.08-21,135.32-7,510.80

Finding the Fourth Proportional to 14,088.08, 21,135.32 and 7,510.80

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Solution

The fourth proportional to 14,088.08, 21,135.32 and 7,510.80 is: 11,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.08 : 21,135.32 = 7,510.80 : x
  2. Step 2: Convert to fraction form
    14,088.08/21,135.32 = 7,510.80/x
  3. Step 3: Cross multiply
    14,088.08x = 21,135.32 × 7,510.80
  4. Step 4: Simplify right side
    14,088.08x = 158,743,161.46
  5. Step 5: Solve for x
    x = 158,743,161.46/14,088.08
  6. Step 6: Final answer
    x = 11,267.91

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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.