Home / 14,557.02-21,722.95-12,984.40

Finding the Fourth Proportional to 14,557.02, 21,722.95 and 12,984.40

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Solution

The fourth proportional to 14,557.02, 21,722.95 and 12,984.40 is: 19,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.02 : 21,722.95 = 12,984.40 : x
  2. Step 2: Convert to fraction form
    14,557.02/21,722.95 = 12,984.40/x
  3. Step 3: Cross multiply
    14,557.02x = 21,722.95 × 12,984.40
  4. Step 4: Simplify right side
    14,557.02x = 282,059,471.98
  5. Step 5: Solve for x
    x = 282,059,471.98/14,557.02
  6. Step 6: Final answer
    x = 19,376.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.