Home / 14,444.72-19,931.70-8,070.51

Finding the Fourth Proportional to 14,444.72, 19,931.70 and 8,070.51

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Solution

The fourth proportional to 14,444.72, 19,931.70 and 8,070.51 is: 11,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.72 : 19,931.70 = 8,070.51 : x
  2. Step 2: Convert to fraction form
    14,444.72/19,931.70 = 8,070.51/x
  3. Step 3: Cross multiply
    14,444.72x = 19,931.70 × 8,070.51
  4. Step 4: Simplify right side
    14,444.72x = 160,858,984.17
  5. Step 5: Solve for x
    x = 160,858,984.17/14,444.72
  6. Step 6: Final answer
    x = 11,136.18

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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.