Home / 10,419.93-14,364.56-7,430.58

Finding the Fourth Proportional to 10,419.93, 14,364.56 and 7,430.58

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Solution

The fourth proportional to 10,419.93, 14,364.56 and 7,430.58 is: 10,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.93 : 14,364.56 = 7,430.58 : x
  2. Step 2: Convert to fraction form
    10,419.93/14,364.56 = 7,430.58/x
  3. Step 3: Cross multiply
    10,419.93x = 14,364.56 × 7,430.58
  4. Step 4: Simplify right side
    10,419.93x = 106,736,975.09
  5. Step 5: Solve for x
    x = 106,736,975.09/10,419.93
  6. Step 6: Final answer
    x = 10,243.54

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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.