Home / 10,372.84-15,528.06-9,485.32

Finding the Fourth Proportional to 10,372.84, 15,528.06 and 9,485.32

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Solution

The fourth proportional to 10,372.84, 15,528.06 and 9,485.32 is: 14,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.84 : 15,528.06 = 9,485.32 : x
  2. Step 2: Convert to fraction form
    10,372.84/15,528.06 = 9,485.32/x
  3. Step 3: Cross multiply
    10,372.84x = 15,528.06 × 9,485.32
  4. Step 4: Simplify right side
    10,372.84x = 147,288,618.08
  5. Step 5: Solve for x
    x = 147,288,618.08/10,372.84
  6. Step 6: Final answer
    x = 14,199.45

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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.