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Finding the Fourth Proportional to 14,695.19, 20,284.37 and 9,030.16

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Solution

The fourth proportional to 14,695.19, 20,284.37 and 9,030.16 is: 12,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.19 : 20,284.37 = 9,030.16 : x
  2. Step 2: Convert to fraction form
    14,695.19/20,284.37 = 9,030.16/x
  3. Step 3: Cross multiply
    14,695.19x = 20,284.37 × 9,030.16
  4. Step 4: Simplify right side
    14,695.19x = 183,171,106.60
  5. Step 5: Solve for x
    x = 183,171,106.60/14,695.19
  6. Step 6: Final answer
    x = 12,464.70

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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.