Home / 10,403.64-14,358.35-5,929

Finding the Fourth Proportional to 10,403.64, 14,358.35 and 5,929

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Solution

The fourth proportional to 10,403.64, 14,358.35 and 5,929 is: 8,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.64 : 14,358.35 = 5,929 : x
  2. Step 2: Convert to fraction form
    10,403.64/14,358.35 = 5,929/x
  3. Step 3: Cross multiply
    10,403.64x = 14,358.35 × 5,929
  4. Step 4: Simplify right side
    10,403.64x = 85,130,627.51
  5. Step 5: Solve for x
    x = 85,130,627.51/10,403.64
  6. Step 6: Final answer
    x = 8,182.78

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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.