Home / 14,088.68-21,127.56-7,511.28

Finding the Fourth Proportional to 14,088.68, 21,127.56 and 7,511.28

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Solution

The fourth proportional to 14,088.68, 21,127.56 and 7,511.28 is: 11,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.68 : 21,127.56 = 7,511.28 : x
  2. Step 2: Convert to fraction form
    14,088.68/21,127.56 = 7,511.28/x
  3. Step 3: Cross multiply
    14,088.68x = 21,127.56 × 7,511.28
  4. Step 4: Simplify right side
    14,088.68x = 158,695,018.88
  5. Step 5: Solve for x
    x = 158,695,018.88/14,088.68
  6. Step 6: Final answer
    x = 11,264.01

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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.