Home / 10,712.36-16,068.06-2,921.18

Finding the Fourth Proportional to 10,712.36, 16,068.06 and 2,921.18

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Solution

The fourth proportional to 10,712.36, 16,068.06 and 2,921.18 is: 4,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.36 : 16,068.06 = 2,921.18 : x
  2. Step 2: Convert to fraction form
    10,712.36/16,068.06 = 2,921.18/x
  3. Step 3: Cross multiply
    10,712.36x = 16,068.06 × 2,921.18
  4. Step 4: Simplify right side
    10,712.36x = 46,937,695.51
  5. Step 5: Solve for x
    x = 46,937,695.51/10,712.36
  6. Step 6: Final answer
    x = 4,381.64

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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.