Home / 14,946.72-20,603.93-12,289.51

Finding the Fourth Proportional to 14,946.72, 20,603.93 and 12,289.51

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Solution

The fourth proportional to 14,946.72, 20,603.93 and 12,289.51 is: 16,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.72 : 20,603.93 = 12,289.51 : x
  2. Step 2: Convert to fraction form
    14,946.72/20,603.93 = 12,289.51/x
  3. Step 3: Cross multiply
    14,946.72x = 20,603.93 × 12,289.51
  4. Step 4: Simplify right side
    14,946.72x = 253,212,214.17
  5. Step 5: Solve for x
    x = 253,212,214.17/14,946.72
  6. Step 6: Final answer
    x = 16,940.99

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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.