Home / 10,316.19-15,471.80-4,764.20

Finding the Fourth Proportional to 10,316.19, 15,471.80 and 4,764.20

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Solution

The fourth proportional to 10,316.19, 15,471.80 and 4,764.20 is: 7,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.19 : 15,471.80 = 4,764.20 : x
  2. Step 2: Convert to fraction form
    10,316.19/15,471.80 = 4,764.20/x
  3. Step 3: Cross multiply
    10,316.19x = 15,471.80 × 4,764.20
  4. Step 4: Simplify right side
    10,316.19x = 73,710,648.38
  5. Step 5: Solve for x
    x = 73,710,648.38/10,316.19
  6. Step 6: Final answer
    x = 7,145.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.