Home / 14,341.98-19,780.95-12,570.51

Finding the Fourth Proportional to 14,341.98, 19,780.95 and 12,570.51

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Solution

The fourth proportional to 14,341.98, 19,780.95 and 12,570.51 is: 17,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.98 : 19,780.95 = 12,570.51 : x
  2. Step 2: Convert to fraction form
    14,341.98/19,780.95 = 12,570.51/x
  3. Step 3: Cross multiply
    14,341.98x = 19,780.95 × 12,570.51
  4. Step 4: Simplify right side
    14,341.98x = 248,656,629.78
  5. Step 5: Solve for x
    x = 248,656,629.78/14,341.98
  6. Step 6: Final answer
    x = 17,337.68

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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.