Home / 14,312.57-19,754.18-8,345.19

Finding the Fourth Proportional to 14,312.57, 19,754.18 and 8,345.19

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Solution

The fourth proportional to 14,312.57, 19,754.18 and 8,345.19 is: 11,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.57 : 19,754.18 = 8,345.19 : x
  2. Step 2: Convert to fraction form
    14,312.57/19,754.18 = 8,345.19/x
  3. Step 3: Cross multiply
    14,312.57x = 19,754.18 × 8,345.19
  4. Step 4: Simplify right side
    14,312.57x = 164,852,343.67
  5. Step 5: Solve for x
    x = 164,852,343.67/14,312.57
  6. Step 6: Final answer
    x = 11,518.02

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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.