Home / 14,054.72-21,085.28-4,820.16

Finding the Fourth Proportional to 14,054.72, 21,085.28 and 4,820.16

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Solution

The fourth proportional to 14,054.72, 21,085.28 and 4,820.16 is: 7,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.72 : 21,085.28 = 4,820.16 : x
  2. Step 2: Convert to fraction form
    14,054.72/21,085.28 = 4,820.16/x
  3. Step 3: Cross multiply
    14,054.72x = 21,085.28 × 4,820.16
  4. Step 4: Simplify right side
    14,054.72x = 101,634,423.24
  5. Step 5: Solve for x
    x = 101,634,423.24/14,054.72
  6. Step 6: Final answer
    x = 7,231.34

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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.