Home / 9,357.28-14,055.36-7,158.40

Finding the Fourth Proportional to 9,357.28, 14,055.36 and 7,158.40

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Solution

The fourth proportional to 9,357.28, 14,055.36 and 7,158.40 is: 10,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.28 : 14,055.36 = 7,158.40 : x
  2. Step 2: Convert to fraction form
    9,357.28/14,055.36 = 7,158.40/x
  3. Step 3: Cross multiply
    9,357.28x = 14,055.36 × 7,158.40
  4. Step 4: Simplify right side
    9,357.28x = 100,613,889.02
  5. Step 5: Solve for x
    x = 100,613,889.02/9,357.28
  6. Step 6: Final answer
    x = 10,752.47

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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.