Home / 8,948.88-13,415.04-5,430.24

Finding the Fourth Proportional to 8,948.88, 13,415.04 and 5,430.24

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Solution

The fourth proportional to 8,948.88, 13,415.04 and 5,430.24 is: 8,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.88 : 13,415.04 = 5,430.24 : x
  2. Step 2: Convert to fraction form
    8,948.88/13,415.04 = 5,430.24/x
  3. Step 3: Cross multiply
    8,948.88x = 13,415.04 × 5,430.24
  4. Step 4: Simplify right side
    8,948.88x = 72,846,886.81
  5. Step 5: Solve for x
    x = 72,846,886.81/8,948.88
  6. Step 6: Final answer
    x = 8,140.34

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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.