Home / 10,109.64-13,953.79-6,528.60

Finding the Fourth Proportional to 10,109.64, 13,953.79 and 6,528.60

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Solution

The fourth proportional to 10,109.64, 13,953.79 and 6,528.60 is: 9,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.64 : 13,953.79 = 6,528.60 : x
  2. Step 2: Convert to fraction form
    10,109.64/13,953.79 = 6,528.60/x
  3. Step 3: Cross multiply
    10,109.64x = 13,953.79 × 6,528.60
  4. Step 4: Simplify right side
    10,109.64x = 91,098,643.63
  5. Step 5: Solve for x
    x = 91,098,643.63/10,109.64
  6. Step 6: Final answer
    x = 9,011.07

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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.