Home / 10,130.08-13,980.96-7,304.80

Finding the Fourth Proportional to 10,130.08, 13,980.96 and 7,304.80

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Solution

The fourth proportional to 10,130.08, 13,980.96 and 7,304.80 is: 10,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.08 : 13,980.96 = 7,304.80 : x
  2. Step 2: Convert to fraction form
    10,130.08/13,980.96 = 7,304.80/x
  3. Step 3: Cross multiply
    10,130.08x = 13,980.96 × 7,304.80
  4. Step 4: Simplify right side
    10,130.08x = 102,128,116.61
  5. Step 5: Solve for x
    x = 102,128,116.61/10,130.08
  6. Step 6: Final answer
    x = 10,081.67

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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.