Home / 10,312.08-14,238.09-6,338.58

Finding the Fourth Proportional to 10,312.08, 14,238.09 and 6,338.58

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Solution

The fourth proportional to 10,312.08, 14,238.09 and 6,338.58 is: 8,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.08 : 14,238.09 = 6,338.58 : x
  2. Step 2: Convert to fraction form
    10,312.08/14,238.09 = 6,338.58/x
  3. Step 3: Cross multiply
    10,312.08x = 14,238.09 × 6,338.58
  4. Step 4: Simplify right side
    10,312.08x = 90,249,272.51
  5. Step 5: Solve for x
    x = 90,249,272.51/10,312.08
  6. Step 6: Final answer
    x = 8,751.80

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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.