Home / 15,346.64-21,188.04-10,629.20

Finding the Fourth Proportional to 15,346.64, 21,188.04 and 10,629.20

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Solution

The fourth proportional to 15,346.64, 21,188.04 and 10,629.20 is: 14,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.64 : 21,188.04 = 10,629.20 : x
  2. Step 2: Convert to fraction form
    15,346.64/21,188.04 = 10,629.20/x
  3. Step 3: Cross multiply
    15,346.64x = 21,188.04 × 10,629.20
  4. Step 4: Simplify right side
    15,346.64x = 225,211,914.77
  5. Step 5: Solve for x
    x = 225,211,914.77/15,346.64
  6. Step 6: Final answer
    x = 14,675.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.