Home / 10,279.00-14,178.65-7,587.47

Finding the Fourth Proportional to 10,279.00, 14,178.65 and 7,587.47

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Solution

The fourth proportional to 10,279.00, 14,178.65 and 7,587.47 is: 10,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.00 : 14,178.65 = 7,587.47 : x
  2. Step 2: Convert to fraction form
    10,279.00/14,178.65 = 7,587.47/x
  3. Step 3: Cross multiply
    10,279.00x = 14,178.65 × 7,587.47
  4. Step 4: Simplify right side
    10,279.00x = 107,580,079.02
  5. Step 5: Solve for x
    x = 107,580,079.02/10,279.00
  6. Step 6: Final answer
    x = 10,466.01

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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.