Home / 14,057.28-21,088.80-4,696.20

Finding the Fourth Proportional to 14,057.28, 21,088.80 and 4,696.20

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Solution

The fourth proportional to 14,057.28, 21,088.80 and 4,696.20 is: 7,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.28 : 21,088.80 = 4,696.20 : x
  2. Step 2: Convert to fraction form
    14,057.28/21,088.80 = 4,696.20/x
  3. Step 3: Cross multiply
    14,057.28x = 21,088.80 × 4,696.20
  4. Step 4: Simplify right side
    14,057.28x = 99,037,222.56
  5. Step 5: Solve for x
    x = 99,037,222.56/14,057.28
  6. Step 6: Final answer
    x = 7,045.26

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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.