Home / 13,312.17-19,970.61-4,545.04

Finding the Fourth Proportional to 13,312.17, 19,970.61 and 4,545.04

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Solution

The fourth proportional to 13,312.17, 19,970.61 and 4,545.04 is: 6,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.17 : 19,970.61 = 4,545.04 : x
  2. Step 2: Convert to fraction form
    13,312.17/19,970.61 = 4,545.04/x
  3. Step 3: Cross multiply
    13,312.17x = 19,970.61 × 4,545.04
  4. Step 4: Simplify right side
    13,312.17x = 90,767,221.27
  5. Step 5: Solve for x
    x = 90,767,221.27/13,312.17
  6. Step 6: Final answer
    x = 6,818.36

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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.