Home / 11,410.04-15,709.26-9,937.40

Finding the Fourth Proportional to 11,410.04, 15,709.26 and 9,937.40

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Solution

The fourth proportional to 11,410.04, 15,709.26 and 9,937.40 is: 13,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.04 : 15,709.26 = 9,937.40 : x
  2. Step 2: Convert to fraction form
    11,410.04/15,709.26 = 9,937.40/x
  3. Step 3: Cross multiply
    11,410.04x = 15,709.26 × 9,937.40
  4. Step 4: Simplify right side
    11,410.04x = 156,109,200.32
  5. Step 5: Solve for x
    x = 156,109,200.32/11,410.04
  6. Step 6: Final answer
    x = 13,681.74

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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.