Home / 9,430.55-13,014.10-5,123.60

Finding the Fourth Proportional to 9,430.55, 13,014.10 and 5,123.60

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Solution

The fourth proportional to 9,430.55, 13,014.10 and 5,123.60 is: 7,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.55 : 13,014.10 = 5,123.60 : x
  2. Step 2: Convert to fraction form
    9,430.55/13,014.10 = 5,123.60/x
  3. Step 3: Cross multiply
    9,430.55x = 13,014.10 × 5,123.60
  4. Step 4: Simplify right side
    9,430.55x = 66,679,042.76
  5. Step 5: Solve for x
    x = 66,679,042.76/9,430.55
  6. Step 6: Final answer
    x = 7,070.54

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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.