Home / 14,897.90-22,346.85-13,688.30

Finding the Fourth Proportional to 14,897.90, 22,346.85 and 13,688.30

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Solution

The fourth proportional to 14,897.90, 22,346.85 and 13,688.30 is: 20,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.90 : 22,346.85 = 13,688.30 : x
  2. Step 2: Convert to fraction form
    14,897.90/22,346.85 = 13,688.30/x
  3. Step 3: Cross multiply
    14,897.90x = 22,346.85 × 13,688.30
  4. Step 4: Simplify right side
    14,897.90x = 305,890,386.86
  5. Step 5: Solve for x
    x = 305,890,386.86/14,897.90
  6. Step 6: Final answer
    x = 20,532.45

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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.