Home / 10,071.88-13,898.64-5,595.32

Finding the Fourth Proportional to 10,071.88, 13,898.64 and 5,595.32

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Solution

The fourth proportional to 10,071.88, 13,898.64 and 5,595.32 is: 7,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.88 : 13,898.64 = 5,595.32 : x
  2. Step 2: Convert to fraction form
    10,071.88/13,898.64 = 5,595.32/x
  3. Step 3: Cross multiply
    10,071.88x = 13,898.64 × 5,595.32
  4. Step 4: Simplify right side
    10,071.88x = 77,767,338.36
  5. Step 5: Solve for x
    x = 77,767,338.36/10,071.88
  6. Step 6: Final answer
    x = 7,721.23

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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.