Home / 9,355.20-14,032.80-4,970.40

Finding the Fourth Proportional to 9,355.20, 14,032.80 and 4,970.40

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Solution

The fourth proportional to 9,355.20, 14,032.80 and 4,970.40 is: 7,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.20 : 14,032.80 = 4,970.40 : x
  2. Step 2: Convert to fraction form
    9,355.20/14,032.80 = 4,970.40/x
  3. Step 3: Cross multiply
    9,355.20x = 14,032.80 × 4,970.40
  4. Step 4: Simplify right side
    9,355.20x = 69,748,629.12
  5. Step 5: Solve for x
    x = 69,748,629.12/9,355.20
  6. Step 6: Final answer
    x = 7,455.60

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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.