Home / 15,488.40-23,210.40-9,641.60

Finding the Fourth Proportional to 15,488.40, 23,210.40 and 9,641.60

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Solution

The fourth proportional to 15,488.40, 23,210.40 and 9,641.60 is: 14,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488.40 : 23,210.40 = 9,641.60 : x
  2. Step 2: Convert to fraction form
    15,488.40/23,210.40 = 9,641.60/x
  3. Step 3: Cross multiply
    15,488.40x = 23,210.40 × 9,641.60
  4. Step 4: Simplify right side
    15,488.40x = 223,785,392.64
  5. Step 5: Solve for x
    x = 223,785,392.64/15,488.40
  6. Step 6: Final answer
    x = 14,448.58

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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.