Home / 10,303.64-14,218.96-5,587.92

Finding the Fourth Proportional to 10,303.64, 14,218.96 and 5,587.92

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Solution

The fourth proportional to 10,303.64, 14,218.96 and 5,587.92 is: 7,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.64 : 14,218.96 = 5,587.92 : x
  2. Step 2: Convert to fraction form
    10,303.64/14,218.96 = 5,587.92/x
  3. Step 3: Cross multiply
    10,303.64x = 14,218.96 × 5,587.92
  4. Step 4: Simplify right side
    10,303.64x = 79,454,410.96
  5. Step 5: Solve for x
    x = 79,454,410.96/10,303.64
  6. Step 6: Final answer
    x = 7,711.30

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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.