Home / 14,015.47-21,017.95-4,653.76

Finding the Fourth Proportional to 14,015.47, 21,017.95 and 4,653.76

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Solution

The fourth proportional to 14,015.47, 21,017.95 and 4,653.76 is: 6,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.47 : 21,017.95 = 4,653.76 : x
  2. Step 2: Convert to fraction form
    14,015.47/21,017.95 = 4,653.76/x
  3. Step 3: Cross multiply
    14,015.47x = 21,017.95 × 4,653.76
  4. Step 4: Simplify right side
    14,015.47x = 97,812,494.99
  5. Step 5: Solve for x
    x = 97,812,494.99/14,015.47
  6. Step 6: Final answer
    x = 6,978.90

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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.