Home / 14,946.21-20,635.69-9,289.40

Finding the Fourth Proportional to 14,946.21, 20,635.69 and 9,289.40

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Solution

The fourth proportional to 14,946.21, 20,635.69 and 9,289.40 is: 12,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.21 : 20,635.69 = 9,289.40 : x
  2. Step 2: Convert to fraction form
    14,946.21/20,635.69 = 9,289.40/x
  3. Step 3: Cross multiply
    14,946.21x = 20,635.69 × 9,289.40
  4. Step 4: Simplify right side
    14,946.21x = 191,693,075.51
  5. Step 5: Solve for x
    x = 191,693,075.51/14,946.21
  6. Step 6: Final answer
    x = 12,825.53

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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.